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EducationRe: 2018/2019 UNIBEN Admission Guide Thread. by Aceed: 2:18am On Aug 26, 2018
italkwithsense:
please oh...
I used my neco result to register for jamb n
my waec result for postutme.
am confused..
whether to change it to waec or leave it...
will it affect my admission process??
reply asap
e be like say results yapa for your side, no worry...but how will you do something like thathuh
EducationRe: 2018/2019 UNIBEN Admission Guide Thread. by Aceed: 12:43am On Aug 22, 2018
Draei:
For those going for courses in faculty of Arts & Education, you can start checking your admission status via jamb caps. Link is


http://www.jamb.org.ng/efacility./
how do you check after going there? By clicking on the admission status tile?
EducationRe: A.B.U Shuts Venue To Host Indomie Events Before Show Starts. by Aceed: 6:05am On Aug 18, 2018
I don't know why all these people who 'knack' their heads on the ground don't respect round table discussions huh huh huh

They just made the organisers waste money like that...dem suppose sue them wella...which kain rubbish..dem supose talk from beginning say dem no dey do, wetin angry angry angry



make them no think say as dem dey enter our side, we no go enter their side oooo
Christianity EtcRe: Seeing Demons, Angels, Fallen Angels, Spirits.. - Hsp's by Aceed: 5:44am On Aug 18, 2018
providence338:
@Nnamdi and Temi

No problem about the book.

African witchcraft is more wicked? huh

I've provided examples of how the witchcraft that comes out of WHITE NATIONS is more global, widespread and devastating.

Or more "wicked".

I'm curious to know how the witchcraft performed in BLACK/AFRICAN NATIONS is more "wicked" than those of western nations.

Can you provide examples of how overturning buses and causing car crashes on the road in Africa is more powerful, global, widespread and devastating than orchestrating false flags like 911 as a pretext to invade, destabilize and occupy other regions of the world as a setup for the antichrist New World Order beast system?
At least with the whites, there's a goal, a satanic goal, an ungodly goal that they hope for that won't last long (max which I believe should be 7years). They aimed very high amongst fake things given by satan to men...but with Africans....the case is different...very different...you can see a father cursing his children every morning that none will be greater than him...like what in the world is that...that is they don't want their child's progress whether spiritually or physically...

That's pure wickedness on a rare and bizarre level...as in eh...some will just sit down and derive satanic pleasure seeing things are not working for anybody while still looking for ways to worsen the situation...Africans are realer with themselves when dealing with satan than whites, they know that world domination or not, everyone on satan's side is doomed to be dominated and cast away...therefore, why don't they set little, little domineering goals that they can accomplish in their lifetime and leave what can be called footprints in and of themselves, ehn?
EducationRe: UI 2018/2019 Admission Thread by Aceed: 10:56am On Jul 27, 2018
Nltaliban:
Why did you add more questions? lipsrsealed embarassed embarassed
Answer: u = 10cm and object distance is
5cm towards the mirror

Second one is 5.3m away
EducationRe: UI 2018/2019 Admission Thread by Aceed: 12:58am On Jul 27, 2018
Damayogenius18:
Maybe I should give u some warming up b4 i come back....A 3kg ball moving at 8m/s strike a 2kg ball at rest.... If the collision is elaestic,what is the speed of each ball after collision ...its simple o.....
6.2m/s
EducationRe: UI 2018/2019 Admission Thread by Aceed: 4:01pm On Jul 24, 2018
Nltaliban:
I'll try. You people should not tag me with physics questions again. I'm not good at physics and no longer do physics as a course here in ui
Abeg no vex....exam dey door and aspirants here don't answer questions as quick as before or maybe as quick as I expected grin grin I con say make I tag una


you try sef ajet, Isiss dem no even answer but I understand they are in a very demanding department...

What course do you study?
EducationRe: UI 2018/2019 Admission Thread by Aceed: 1:30pm On Jul 24, 2018
Nltaliban:
Why did you add more questions? lipsrsealed embarassed embarassed
Because they are not too hard for the Taliban grin grin


me still dey wait the remaining ooo
EducationRe: UI 2018/2019 Admission Thread by Aceed: 1:19pm On Jul 24, 2018
Eben331:
(1) The tendon in a mass leg is 10cm long
and 1cm in diameter. How much will it
be stretched by a force of 157N if the
Young Modulus for the tendon is 2*10^8N/m^2
length = 10cm=0.1m
diameter = 1cm = 0.01m
radius = diameter/2 = 0.005m
force = 157N
Young modulus = 2 x 10^8 Nm^-2

Young modulus = stress/strain

stress = force/area; strain = extension/length

Young modulus = F/A ÷ e/l

YM = Fl/Ae

make e subject of formula

e = Fl/YA

(Area = pie x r^2)

therefore, e = (157 x 0.1) ÷ (2*10^8 x 3.14 x 0.005 x 0.005)

e = 15.7 ÷ 15700

e = 0.001m or 1x10^-3m




(2) A steel bar of length 4m and of
rectangular section 1cm by 2cm supports a
load of 10kg. By how much is the bar
stretched? take Young Modulus=2*10^11N/m^2
length = 4m
load = 10kg
force = load x g = 100N
Area (of rectangle) = L x B = 2 x 1 = 2cm^2 = 0.0002m
extension = ?
Young modulus = 2x10^11 Nm^-2

extension e = Fl/YA
e = (100 x 4) ÷ (2x10^11 x 0.0002)
e = 1 x 10^-5m






(3) A metal rod of diameter 7mm,
length 100mm is made from steel of Young
Modulus 2*10^11N/m^2. Calculate the force
constant of the rod.
length = 100mm = 0.1m
diameter = 7mm = 0.007m
radius = d/2 = 0.0035m
Young modulus = 2*10^11 Nm^-2
force constant k = ?

extension e = Fl/YA
but from f=ke; e = f/k

therefore f/k = Fl/YA

making k the subject of the formula

k = YAF/Fl

the F above cancels the F below

therefore, k = YA/l; (Area = pie x r^2)

k =(2*10^11 x 3.14 x 0.0035 x 0.0035) ÷ 0.1
k = 7.693 x 10^7 Nm^-1
Christianity EtcRe: Seeing Demons, Angels, Fallen Angels, Spirits.. - Hsp's by Aceed: 9:09pm On Jul 23, 2018
muehonyx22:
@providence338.
Greetings to you too sir.

On my house? Every night. On all other houses? Some nights.
Whenever i pray, they leave for that period, then they come back again. Rinse and repeat, I am even tired sef. i just left them alone.
I can deal with the pigeons, but the owls are more scary. owls are suppossed to be nocturnal, but this one stayed on my roof for 48 hours straight. And the birds won't stay quiet, they will start making noises.
I just ignore them now. I still pray for protection though.


Thank you for the prayers.
First, you are a soldier of Christ.

Second, both Christ and the devil deploy their soldiers into battle. Why?
There is no place called home on this battleground called earth, everywhere is a war front.

Home is either heaven or hell and when you go home no coming back, the present earth is the only place where man would ever have access to the rewards for winning a battle, what you earn here stays with you forever, what you don't earn stays ungettable forever, therefore this is a one time opportunity to attain things that are only attainable on this war front.

Don't let fear get the better of you, perfect love casteth out all fear, you might think their noises and their being on your roof isn't doing you any harm, ehnn ehnnn, when darkness is found around the corner, it means only one thing, the light is going out...it is either you get bolder by getting closer to Jesus and tell them to stop making noise and perching on your roof or you become more fearful and they oppress you bad bad and you won't be able to go past your present stage as a Christian because anytime you try to go higher they'll come in bird form and as usual you'll ignore them as a result of fear not believing they're wrecking havoc being there, there is no neutral ground in the spirit neither is there any in the physical


Hope you get me...
EducationRe: UI 2018/2019 Admission Thread by Aceed:
An object 0.04m high is placed in front
of and at right angles to the axis of a
concave mirror which has radius of
curvature 0.15m. If a real image 0.12m
high is obtained, determine by scale
drawing or otherwise,
1. the distance of the object from the
mirror
2. how far, and in what direction, must
the object be moved in order to obtain
a virtual image 0.12m high.


An optician uses a plane mirror to help
him. Suppose a patient sits in a chair
2.5m away from him. He views the image
of a chart which faces the mirror and
is located 30cm behind him. How far away
is the chart as viewed from his eyes?


When a resistance R is across a cell, the voltage
across the terminals of the cell is reduced to
two-thirds of its nominal value. The internal
resistance of the cell is?

A cell of internal resistance 2ohms supplies
current to a 6ohms resistor. The efficiency
of the cell is?

A cell of e.m.f 1.5V and internal resistance 2.5ohm
is connected in series with an ammeter of resistance
0.5ohm and a resistor of resistance 7.0ohm. Calculate
the current in the circuit.

The internal resistance of each cell, E1 and E2, connected
in parallel is 2ohms to an ammeter A and a resistor of 4ohms.
Calculate the total current in the circuit.

A work of 3ojoules is done in transferring 5 milliCoulombs
of charge from point B to a point A in an electric field.
The potential difference between B and A is?

The plates of a parallel plate capacitor, 5x10^-3m apart
are maintained at a potential difference of 5x10^4V.
Calculate the magnitude of the
(i) electric field intensity between the plates.
(ii) force on the electron
(iii)acceleration of the electron
(electronic charge = 1.6x10^-19C, mass of electron = 9.1x10^-31kg)


What is the potential energy between two protons of charge q
and at a distance of r apart? (Permittivity of free space = e(knot))


Find the net capacitance of two capacitors 2F and 3F in series connected
in series to two capacitors 3F and 3F in parallel.


cc Eben331, Damayogenius18, Nltaliban, DrBestJC
EducationRe: UI 2018/2019 Admission Thread by Aceed: 6:49pm On Jul 21, 2018
A man takes 16 breaths per minute at 18°C
and 760mmHg.What is his rate of breathing
on a mountain-top where the temperature is
-5°C and the pressure is 240mmHg. Assume
that he needs the same mass of air per
minute.

What type of electromagnetic radiation
can be used to take photographs in the
haze?
A. Radio waves
B. Visible rays
C. Ultraviolet rays
D. Infrared rays

The colour of the positive column in a gas
discharge tube is characteristic of the
A. Gas and the coating in the tube
B. Pressure of the gas only
C. Temperature of the gas only
D. Pressure and potential difference

White phosphorus is stored under water
because it is?
EducationRe: UI 2018/2019 Admission Thread by Aceed: 12:53pm On Jul 20, 2018
Glycolysis:
Why the mention huh
answer your name, the enzyme involved in your process is located where? angry angry
EducationRe: UI 2018/2019 Admission Thread by Aceed:
150g of ice at 0c is mixed with 300g of
water at 50c. Calculate the temperature
of the mixture.

What mass of ice at -14c will be needed to cool 200cm3
of an orange drink (essentially water) from 25c to 10c?
(s.l.h. of fusion of ice = 3.36x10^5, s.h.c of ice = 2100jkg,
s.h.c. of water = 4200jkg)




A piece of copper of mass 300g at a
temperature of 950c is quickly
transferred to a vessel of negligible
thermal capacity containing 250g of water
at 25c. If the final steady temperature
of the mixture is 100c, calculate the mass
of water that will boil away. (shc of
copper = 400JkgK, shc of water = 4200JkgK,
slh of vapourization of steam = 2260000Jkg)


An electric heater raise the temperature
of 120g of water in a thin light vessel
through 10K in 2min, when placed in 70g
of water contained in a metal vessel of
mass 0.55kg the temperature rises through
9K in the same time. Calculate:
(i) the heat supplied to the 70g of water
(ii) the heat supplied to the metal vessel
(iii) the heat capacity of the vessel
(iv) the specific hest capacity of its
material.

(shc of water = 4200JkgK)


Dry steam at 100c is bubbled into 500g of
water originally at 20c. What will be the
temperature of the water after 30g of
steam has condensed?
(slh of steam = 2260000Jkg, shc of water =
4200JkgK)

A piece of copper ball of mass 20g at 200c
is placed in a copper calorimeter of mass
60g containing 50g of water at 30c,
ignoring heat losses, calculate the final
steady temperature of the mixture.
(shc of water = 4.2JgK)


cc teflonblixx, isiss, drbestjc, ajet001, damayogenius, indomixx, eben331
EducationRe: UI 2018/2019 Admission Thread by Aceed: 10:17am On Jul 19, 2018
Eben331:
Pls guys I need answer to this question. Thanks in advance.
Me too...I don't have problems with Tensions questions grin grin
EducationRe: UI 2018/2019 Admission Thread by Aceed: 3:58pm On Jul 18, 2018
The limiting frictional force on
a body of mass 4kg resting on an
inclined plane is 20N. What is the
angle of inclination (theta) on the plane?

What is the efficiency of a cell
with internal resistance of 3ohms,
when it supplies current to a 7ohms
resistor?

Which of the following compounds is
not obtained by polymerization?
(a) Plastic
(b) Polythene
(c) Petroleum
(d) Cellulose

A specimen of zinc contained zinc
oxide. 0.80g of this specimen
reacted with acid to give 215cm3 of
hydrogen collected dry at 170C and
770mmHg. Calculate the percentage
of zinc oxide in the mixture.
[32.5g Zn = 1g H].

The component elements present in the
alloy used for welding and plumbing
are?

Which of the following is not a
component of guard cells?
(a) Chloroplasts
(b) Nucleus
(c) thin inner wall
(d) rough spike

The enzyme of the glycolytic pathway
is located in the?
(a)mitochondria
(b) golgi apparatus
(c) cytoplasm
(d) Nucleus

The products of photochlorination of
ethanoic acid are?

What are the products of the reaction
between ethyl ethanoate and ammonia?

Effervescence occurs when water comes
in contact with
(a) calcium
(b) copper
(c) sulphur
(d) lead

Charring of sugar occurs when it is
(a) reduced
(b) hydrolysed
(c) dehydrated
(d) fermented

If the cerebellum of a person is slightly
damaged, which of the following will be
impaired?
(a) vision
(b) walking
(c) Digestion
(d) Breathing

The aspects of growth in living organisms
include all the following processes except
(a) reversible increase in size
(b) increase in dry weight
(c) increase in number of cells
(d) irreversible increase in length



cc damayogenius, teflonblixx, drbestjc, eben331


PS SHOW WORKINGS WHERE NECESSARY PLEASE
EducationRe: UI 2018/2019 Admission Thread by Aceed: 9:29am On Jul 18, 2018
DrBESTJC:
Quick Revision In CHEMISTRY

Solubility of salts in water.

Solubility Rules


1) All salts of sodium,Potassium and ammonium are soluble in water.
2) All trioxonitrate (V) salts are soluble in water.
3) All chlorides are soluble in water; except those of Lead, mercury and silver that are insoluble in water.
4) All tetraoxosulphate(VI) salts, are soluble in water ; except those of lead and barium. Calcium tetraoxosulphate (VI), CaSO 4 is only slightly soluble in water.

5) All trioxosulphate (IV) salts are insoluble in water;except those of sodium,Potassium and ammonium that are soluble.

6) All trioxocarbonate (IV) salts are insoluble in water; except those of sodium,Potassium and ammonium that are water-soluble.

7) All sulphides, S2- are insoluble in water; except those of sodium,Potassium and ammonium that are soluble.

8 ) All acid salts are soluble in water.

Note:
1) Gases, such as ammonia,NH3 and Hydrogen Chloride, HCL are highly soluble in cold water. Infact, they react with water.Their aqueous solutions are therefore used as laboratory reagents.

2) Gases such as SO2 , NO2 , CL 2 , H2 S , N2O and CO2 are fairly soluble in water; hence, they are not collected over cold water during their laboratory preparations. H2S is collected over warm water.

3) Other gases such as O2 , N2 , H2 and CO are only slightly soluble in water;they can be collected over water.
More of these, please...you no wan wear oga cloth shey?
EducationRe: UI 2018/2019 Admission Thread by Aceed:
DrBESTJC:
I think it is wrong because tension is a force whose unit is Newton...and spring balance measures weight not mass.


But you can still convert the value in Newton to gramms...thus
F = mg ...where m = F/g = 0.4/10 = 0.04Kg.
Then,multiply by 1000 to convert to gramms = 0.04 * 1000 = 40g
What is the upthrust on a body which displaces
0.6m^3 of water, 0.5m^3 of methylated spirit?
(density of water = 10^3 kgm^-3, density of
methylated spirit = 0.8 x 10^3 kgm^-3 and
g = 10ms^-2)

The horizontal door of a submarine at a depth of 500m has an area of 0.4m^2.
Calculate the force exerted by the sea water on the door at its depth.
(R.D of seawater = 1.03, atm = 1.01x 10^5Nm^-2, Density of pure water = 1000kgm^-3, g = 10ms^-2)

An object of mass 1kg falls a distance
of 5m onto a horizontal surface and
rebounds to a vertical height of 2m.
Calculate the change in momentum.

A man whose mass is 80kg stands on a
spring weighing machine inside an
elevator. What is the reading of the
weighing machine when the elevator is
coming to rest with a retardation of
4.0ms^-2?

A rocket of mass 1000kg containing a
propellant gas of 3000kg is to be
launched vertically. If the fuel is
consumed at a steady rate of 60kgs^-1,
calculate the least velocity of the
exhaust gases if the rocket and content
will just lift off the launching pad
immediately after firing.

A 15.0kg of monkey hangs from a cord
suspended from the ceiling of an elevator.
The cord can withstand a tension of 200N
and breaks as the elevator accelerates.
What was the elevator's minimum accleration
(in magnitude and direction)? g = 10ms^-2

A tractor of mass 5.0 x 10^3kg is used
to tow a car of mass 2.5 x 10^3kg. The
tractor moved with a speed of 3.0ms^-1 just
before the rope became taut. Calculate the
impulse in the rope when it jerks the car
into motion.



Oga DrBESTJC over to you
EducationRe: UI 2018/2019 Admission Thread by Aceed: 8:34am On Jul 13, 2018
DrBESTJC:
From Density = Mass/volume
.: Mass = Density * volume = 2.5g/cm^3 * 20cm^3 = 50g = (50/1000)Kg = 0.05Kg.
Weight of the block in air = mg = 0.05Kg * 10m/s2 = 0.5N.

Now,

Half of the volume of the block is immersed in water; which implies: 1/2 * 20cm^3 = 10cm^3.
Upthrust = density * volume * g(acceleration due to gravity) = 1g/cm^3 * 10cm^3 * g = 10g * g = (10/1000)Kg * 10m/s^2 = 0.01Kg * 10m/s^2 = 0.1N

Reading of the spring balance = Tension in the spring of balance = Weight of the block in air - Upthrust = 0.5N -0.1N = 0.4N
answer to this was 40g
EducationRe: 2018/2019 UNIBEN Admission Guide Thread. by Aceed: 5:34pm On Jul 12, 2018
Indomixx:
Shed light on number 2 and 4 pls
Me sef no know na why I post am...i been dey post for UI thread but now as putme dey near, dem no dey answer quickly...so I say make I come here grin embarassed grin
EducationRe: 2018/2019 UNIBEN Admission Guide Thread. by Aceed: 4:15pm On Jul 12, 2018
Indomixx:
1. 2000N
2. 10,000N
3.
4. 25N
5. 3.6m³
6. 1.32
Confirm the correct ones and wrong ones. So I can explain the ones that are correct. Then we can work together to get the wrong ones done

1. uniben pq
2. 5000N, 4.8x10^3N
3. 4.04N, 8.08N
4. 40g
5. 3.6m^3
6. uniben pq


and the uniben pq i have doesn't have answer section



Anyone who has uniben pq with answer booklet ready made softcopy or
if you can scan and upload, I'll appreciate
EducationRe: UI 2018/2019 Admission Thread by Aceed: 3:05am On Jul 12, 2018
DrBESTJC...OGA NA MASTER... grin grin grin...hmmm which course you dey vie for... you don scatter book oooo
EducationRe: UI 2018/2019 Admission Thread by Aceed: 1:56am On Jul 12, 2018
And someone should please explain GAXULIRhuh
EducationRe: 2018/2019 UNIBEN Admission Guide Thread. by Aceed: 12:52am On Jul 12, 2018
What is the tension in the cable holding
a mine of mass 600kg and volume 0.8m^3 to
the sea bed, so that it is totally submerged.

What is the upthrust on a body which displaces
0.6m^3 of water, 0.5m^3 of methylated spirit?
(density of water = 10^3 kgm^-3, density of
methylated spirit = 0.8 x 10^3 kgm^-3 and
g = 10ms^-2)

A body of mass 700g hangs from the end of a
long wire fixed to a high tree. A horizontal
string attached to the body pulls it until the
wire is at 30 degrees to the vertical. Find
the tensions in both the string and the wire.

A block of material of volume 20cm^3 and
density 2.5gcm^-3 is suspended from a spring
balance with half the volume of the block
immersed in water. What is the reading of the
spring balance? (density of water = 1.0gcm^-3)

What volume of alcohol with a density of
8.4 x 10^2 kgm^-3 will have the same mass as
4.2m^3 of petrol whose density is 7.2 x 10^2 kgm^-3?

A force of 300N was used to pull a load of
mass 40kg at a steady speed up an inclined
of length 6.2m and vertical height 3.5m.
Determine the velocity ratio



WORKINGS PLEASE...
EducationRe: UI 2018/2019 Admission Thread by Aceed: 12:19am On Jul 12, 2018
What is the tension in the cable holding
a mine of mass 600kg and volume 0.8m^3 to
the sea bed, so that it is totally submerged.

What is the upthrust on a body which displaces
0.6m^3 of water, 0.5m^3 of methylated spirit?
(density of water = 10^3 kgm^-3, density of
methylated spirit = 0.8 x 10^3 kgm^-3 and
g = 10ms^-2)

A body of mass 700g hangs from the end of a
long wire fixed to a high tree. A horizontal
string attached to the body pulls it until the
wire is at 30 degrees to the vertical. Find
the tensions in both the string and the wire.

A block of material of volume 20cm^3 and
density 2.5gcm^-3 is suspended from a spring
balance with half the volume of the block
immersed in water. What is the reading of the
spring balance? (density of water = 1.0gcm^-3)

What volume of alcohol with a density of
8.4 x 10^2 kgm^-3 will have the same mass as
4.2m^3 of petrol whose density is 7.2 x 10^2 kgm^-3?

A force of 300N was used to pull a load of
mass 40kg at a steady speed up an inclined
of length 6.2m and vertical height 3.5m.
Determine the velocity ratio



WORKINGS PLEASE...


cc eben331 damayogenius18 teflonblixx (pics with workings are acceptable)
EducationRe: UI 2018/2019 Admission Thread by Aceed: 4:33pm On Jul 08, 2018
A ball of mass 10kg strikes a wall normally with a velocity of 5ms-1 and travels back with
the same velocity. Calculate its impulse on the wall.


Calculate the velocity of the wave represented by the following wave equation
y =20sin(60(pie)x - 0.5(pie)x) ,
if all the distances are in metres.

A stone is projected vertically upwards with a velocity of 20ms. Two seconds later, a second stone is projected similarly with the same velocity. When the two stones meet, the second one is rising at a velocity of 10ms. Calculate (i)the length of time the second stone is in motion before they met. (ii) velocity of the first stone when they met. (g=10ms)




PS I NEED WORKINGS. DON'T JUST COME AND DROP ANSWER


CC EBEN331, DAMAYOGENIUS18, TEFLONBLIXX
EducationRe: UI 2018/2019 Admission Thread by Aceed: 2:52am On Jul 08, 2018
TeflonBlixx:
Typing stuffs is stressful, really. .

Do you mind if I snapped the solutions?
No
EducationRe: 2018/2019 UNIBEN Admission Guide Thread. by Aceed: 2:07am On Jul 07, 2018
A ball of mass 10kg strikes a wall normally with a velocity of 5ms-1 and travels back with
the same velocity. Calculate its impulse on the wall.


Calculate the velocity of the wave represented by the following wave equation
y =20sin(60(pie)x - 0.5(pie)x) ,
if all the distances are in metres.

A stone is projected vertically upwards with a velocity of 20ms. Two seconds later, a second stone is projected similarly with the same velocity. When the two stones meet, the second one is rising at a velocity of 10ms. Calculate (i)the length of time the second stone is in motion before they met. (ii) velocity of the first stone when they met. (g=10ms)




PS I NEED WORKINGS. DON'T JUST COME AND DROP ANSWER
LiteratureRe: Grabbing The Hot Gate ( A Paranormal Novel) By Akintayo Akinjide by Aceed: 2:20pm On Jul 05, 2018
Though money is needed in this life but it doesn't make a man fulfilled, trust me.
I'm sure the encouragements you're receiving here is soothing even though it was intended for profit

But one day, God willing, you will shine, no matter how small it may be, no matter how old you may be, so far you are diligent and in line with God, that day will surely come.
EducationRe: UI 2018/2019 Admission Thread by Aceed: 12:40pm On Jul 05, 2018
A ball of mass 10kg strikes a wall normally with a velocity of 5ms-1 and travels back with
the same velocity. Calculate its impulse on the wall.


Calculate the velocity of the wave represented by the following wave equation
y =20sin(60(pie)x - 0.5(pie)x) ,
if all the distances are in metres.

A stone is projected vertically upwards with a velocity of 20ms. Two seconds later, a second stone is projected similarly with the same velocity. When the two stones meet, the second one is rising at a velocity of 10ms. Calculate (i)the length of time the second stone is in motion before they met. (ii) velocity of the first stone when they met. (g=10ms)




PS I NEED WORKINGS. DON'T JUST COME AND DROP ANSWER


CC EBEN331, DAMAYOGENIUS18, TEFLONBLIXX
EducationRe: UI 2018/2019 Admission Thread by Aceed: 1:38pm On Jun 26, 2018
Eben331:
TeflonBlixx has worked the answer out for you.
A man can row a boat at 4kmhr in still water. He rows the boat about 2km upstream and 2km back to his starting place in 2hrs. How fast is the stream flowing?


A plane is headed north with a velocity of 400kmhr and a westwind is blowing at 70kmhr. Find the distance of the plane from its base in 2 hours.


An antiaircraft shell is fired vertically upward with a muzzle velocity of 1000ms. Calculate the (i) instantaneous velocities at the end of 20secs and 50 secs (ii) When will its height be 37.5km? Inteprete your result. Neglect air resistance




cc TeflonBlixx, Damayogenius18
EducationRe: UI 2018/2019 Admission Thread by Aceed: 1:02pm On Jun 23, 2018
Eben331:
8640J
Na so I see am for answer booklet but how una take dey get am na im I wan know angry

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