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UTME 2017: Thread For Science Jambites - Education (13) - Nairaland

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Re: UTME 2017: Thread For Science Jambites by Nobody: 8:33pm On Apr 03, 2017
jearile:
Would it be possible to choose an exam center that's located outside the state you did your jamb registration? For instance, can somebody leaving in Lagos be allowed to choose an exam centre in Port Harcourt?
I think you can
Re: UTME 2017: Thread For Science Jambites by jearile(m): 8:40pm On Apr 03, 2017
Optimist1998:
I think you can
what about Kaduna (registration) and Port Harcourt (exam centre)?
Re: UTME 2017: Thread For Science Jambites by Nobody: 8:46pm On Apr 03, 2017
jearile:


what about Kaduna (registration) and Port Harcourt (exam centre)?
I don't know of this year since I haven't registered but for previous years you can register in Sokoto and choose to write in Jupiter as long as there's a Jamb centre there.

2 Likes

Re: UTME 2017: Thread For Science Jambites by absool(m): 8:55pm On Apr 03, 2017
]1 A 2 C 3 A 4 27
Re: UTME 2017: Thread For Science Jambites by absool(m): 8:59pm On Apr 03, 2017
Optimist1998:
Physics

-The resultant force of a couple is ………?
A. Infinity
B. Zero sum of forces is Zero
C. One
D. Half


- Capacitors are used in the induction coil to
A. control circuits
B. prevent distortion of electric fields
C. prevent electric sparks ✅
D. dissipate energy

- If the mechanical advantage of a machine is 4. What is its ratio for LOAD to EFFORT?
A. 4:01 ✅ L/E
B. 1:04
C. 5:01
D. 2:01

-If a projectile has maximum range of 36m, find the speed of projection (Take g = 9.8m/s 2 )
A. 27m/s 2 ✅
B. 2m/s 2
C. 4m/s 2
D. 7m/s 2


Same rule; explain your answers

Edit: The question in bold undecided
Re: UTME 2017: Thread For Science Jambites by frankele(m): 9:09pm On Apr 03, 2017
The resultant force is zero
To prevent Electric sparks
Since MA = Load /Effort.... derefore ratio of load to effort is 4:01
For D range sinz Range = U^2 / 2G.. therefore U^2 = R * 2G... Dat is Abt 27Ms-1
Re: UTME 2017: Thread For Science Jambites by Nobody: 9:09pm On Apr 03, 2017
Nuel25846:
The substance least considered as a
source of environmental pollution is A. Lead compounds B. Organophosphorous compounds C. Silicate minerals D. Uranium
Ans
C. Silicate minerals
Reason: silicate minerals found in sand & stone can't be as harmful as
+lead compounds (lead poisoning)
+Uranium: damn radioactive
+Organophosphorus: whatever this is - (if Im to guess etymologically===> organic compounds with phophorus
Re: UTME 2017: Thread For Science Jambites by frankele(m): 9:09pm On Apr 03, 2017
The resultant force is zero
To prevent Electric sparks
Since MA = Load /Effort.... derefore ratio of load to effort is 4:01
For D range sinz Range = U^2 / 2G.. therefore U^2 = R * 2G... Dat is Abt 27Ms-1
absool:
[/quote]
absool post=55235936:
[quote author=absool post=55235936]
Re: UTME 2017: Thread For Science Jambites by Nobody: 9:16pm On Apr 03, 2017
frankele:
The resultant force is zero
To prevent Electric sparks
Since MA = Load /Effort.... derefore ratio of load to effort is 4:01
For D range sinz Range = U^2 / 2G.. therefore U^2 = R * 2G... Dat is Abt 27Ms-1
the formula for maximum range is U²/g
Maximum height is U²/2g

2 Likes

Re: UTME 2017: Thread For Science Jambites by absool(m): 9:23pm On Apr 03, 2017
Optimist1998:

Pressue
In the fig above if the atmospheric pressure is 760mm, the pressure of the chamber G is
A. 660mm
B. 690mm
C. 830mm
D. 860mm

Tension
A 1000kg elevator is descending vertically with an acceleration of 1.0ms -2 , if the acceleration due to gravity is 10ms -2 , the tension in the suspending cable is
A. 1.0N
B. 10.0N
C. 9000.0N
D. 11 000N

Still Pressure
A rectangular tank contains water to a depth of 2m, if the base is 4m x 3m, calculate the force on the base (Density of water = 10 3 kgm -3 , g = 10ms -2 )
A. 1.4 x 10 2 N
B. 24 x 10 4 N
C. 2.0 x 10 4 N
D. 1.7 x 10 3 N

number 1 83 number 2 mg - ma 9000 number 3 density x g x volume
Re: UTME 2017: Thread For Science Jambites by Nobody: 9:30pm On Apr 03, 2017
Physics:
In which of the following is the battery short circuited?

Re: UTME 2017: Thread For Science Jambites by Nobody: 9:38pm On Apr 03, 2017
Physics: How well do you understand Linear expansivity

A washer consists of a 3.00 cm diameter circle of sheet metal with a 1.00 cm diameter circular hole in the middle. If the metal washer is heated until the diameter of the washer is 3.03 cm, then the diameter of the hole will be
(A) 0.97 cm (B) 0.99 cm (C) 1.00 cm (D) 1.01 cm
Re: UTME 2017: Thread For Science Jambites by Nobody: 10:02pm On Apr 03, 2017
Basic velocity Time graph from SS1
Calculate the displacement between t = 2s and t = 5s of an object that moves along an axis and has the speed characterized below.

Re: UTME 2017: Thread For Science Jambites by Donpre(m): 10:04pm On Apr 03, 2017
for some weird reason I get a ban whenever I quote optimist1998

anyway, to your question on linear expansivity, I got D as the answer... is it correct?
Re: UTME 2017: Thread For Science Jambites by Donpre(m): 10:09pm On Apr 03, 2017
Optimist1998:
Basic velocity Time graph from SS1
Calculate the displacement between t = 2s and t = 5s of an object that moves along an axis and has the speed characterized below.
D. 1.5m
Re: UTME 2017: Thread For Science Jambites by Nobody: 10:13pm On Apr 03, 2017
Donpre:
for some weird reason I get a ban whenever I quote optimist1998

anyway, to your question on linear expansivity, I got D as the answer... is it correct?
Lol I was banned back to back yesterday.
So it spilled over to you?


Your answers are both correct
Re: UTME 2017: Thread For Science Jambites by Donpre(m): 10:17pm On Apr 03, 2017
jearile:
Would it be possible to choose an exam center that's located outside the state you did your jamb registration? For instance, can somebody leaving in Lagos be allowed to choose an exam centre in Port Harcourt?
sure!... you'll be asked to pick an exam state/town
Re: UTME 2017: Thread For Science Jambites by Donpre(m): 10:20pm On Apr 03, 2017
felix00:
35x/100+37y/100=35.5 eqn 1 X+y=100 eqn 2 Multiply eqn 1 by 100--- 35x+37y=3550 Eqn 2 x=100-y____ sub it in 35x+37y=3550 The rest is history
Damn!... Good one
Re: UTME 2017: Thread For Science Jambites by castrokiller(m): 11:09pm On Apr 03, 2017
When sound waves travels, layers of air molecules crowd together.... This is known as -----
Re: UTME 2017: Thread For Science Jambites by castrokiller(m): 11:12pm On Apr 03, 2017
the 2017 UTME Questions & Time Format will now be as follows;
1. Total Number of Questions: 180
2. Time to answer all questions: 2 Hours
3. Use of English: 60 Questions
4. Other 3 Subjects: 40 Questions Each

Going by this new format, we really don't think the exam will be any easier than what it used to be. The only thing is that the exams will now be faster for each candidate
Re: UTME 2017: Thread For Science Jambites by Nobody: 11:23pm On Apr 03, 2017
castrokiller:
When sound waves travels, layers of air molecules crowd together.... This is known as -----
Compression
Re: UTME 2017: Thread For Science Jambites by Nobody: 11:25pm On Apr 03, 2017
castrokiller:
the 2017 UTME Questions & Time Format will now be as follows;
1. Total Number of Questions: 180
2. Time to answer all questions: 2 Hours
3. Use of English: 60 Questions
4. Other 3 Subjects: 40 Questions Each

Going by this new format, we really don't think the exam will be any easier than what it used to be. The only thing is that the exams will now be faster for each candidate
Seriously everyone needs to take that mock...
if not for anything, to test the waters.
Re: UTME 2017: Thread For Science Jambites by felix00(m): 11:30pm On Apr 03, 2017
Optimist1998:
Physics: In which of the following is the battery short circuited?
the dat has no load on it but it is closed
Re: UTME 2017: Thread For Science Jambites by reeblaze(m): 6:21am On Apr 04, 2017
chemistry; How many states of matter exists? Name them
Re: UTME 2017: Thread For Science Jambites by Nobody: 8:02am On Apr 04, 2017
Donpre:
for some weird reason I get a ban whenever I quote optimist1998

anyway, to your question on linear expansivity, I got D as the answer... is it correct?
cud u pls show ur workings
Re: UTME 2017: Thread For Science Jambites by Temilola21(f): 8:21am On Apr 04, 2017
Optimist1998:
Physics: How well do you understand Linear expansivity

A washer consists of a 3.00 cm diameter circle of sheet metal with a 1.00 cm diameter circular hole in the middle. If the metal washer is heated until the diameter of the washer is 3.03 cm, then the diameter of the hole will be
(A) 0.97 cm (B) 0.99 cm (C) 1.00 cm (D) 1.01 cm




Hi,I got D.

I did 3.03-3/3 = x-1.00/1.00
0.03/3=x-1/1
0.03=3x-3
3x=3.03
x=1.01

1 Like

Re: UTME 2017: Thread For Science Jambites by castrokiller(m): 9:45am On Apr 04, 2017
Temilola21:




Hi,I got D.

I did 3.03-3/3 = x-1.00/1.00
0.03/3=x-1/1
0.03=3x-3
3x=3.03
x=1.01
Correct.... But u didn't give formula
Re: UTME 2017: Thread For Science Jambites by castrokiller(m): 10:10am On Apr 04, 2017
Optimist1998:
Physics:
In which of the following is the battery short circuited?
b
Re: UTME 2017: Thread For Science Jambites by castrokiller(m): 10:17am On Apr 04, 2017
Optimist1998:

Compression
try again.... Just note that compression is the area where sound waves are pushed together
Re: UTME 2017: Thread For Science Jambites by Donpre(m): 10:21am On Apr 04, 2017
castrokiller:

Correct.... But u didn't give formula
a = change in length/ original length * change in temperature... linear expansivity bro

castrokiller:
try again.... Just note that compression is the area where sound waves are pushed together
Rarefaction maybe?
Re: UTME 2017: Thread For Science Jambites by pabostt: 10:52am On Apr 04, 2017
SamanN:



All I can recollect is F=Bil, force per unit length would be (F/l)
Yes F = BIL
F/L = BI
when you have two parallel current wire, regardless of their current, they will exert the same magnitude of force in opposite direction. If they have the same length, each wire will have the same force per unit length.

1 Like

Re: UTME 2017: Thread For Science Jambites by Nuel25846(m): 3:35pm On Apr 04, 2017
Optimist1998:
Basic velocity Time graph from SS1
Calculate the displacement between t = 2s and t = 5s of an object that moves along an axis and has the speed characterized below.
The answer is D.d=2m

1 Like

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