In an electromagnetic induction,the magnetic pole and the solenoid exihibit what type of motion
A)translational motion
B)rotational motion
C)relative motion
D)random motion.

The scientist that noted or stated that current is in a direction perpendicular and that is parallel to the magnetic field are...........nd............?

Halpher:
In an electromagnetic induction,the magnetic pole and the solenoid exihibit what type of motion
A)translational motion
B)rotational motion
C)relative motion
D)random motion.

C is correct because it exhibit two types of motion

Kealmin:
C is correct because it exhibit two types of motion

Yea it is Relative motion simply because either the bar magnet or the solenoid is at rest with respect to other. It exhibit only a type of motion which is Relative.

A lift in a downward movement there is a jar containing water which is pouring in a downward direction,what happen to the pressure of the water as the lift near it latent stage..?
A)increase and decrease
B)decrease and increase
C)increase
D)decrease

The difference btw fleming's right and left hand rule is that..?

At the pole angle of dip is always..?
A)0 degree
B)90 degree
C)180 degree
D)45 degree

A compound which can undergo disproportionation must either be......or.....?

Halpher:
At the pole angle of dip is always..?
A)0 degree
B)90 degree
C)180 degree
D)45 degree

is between o and 90 degree wen d angle of dip is at d north pole it is 0degree but at d equator is 90degree

Kealmin:
is between o and 90 degree wen d angle of dip is at d north pole it is 0degree but at d equator is 90degree

Hmm.
It is propably 90 degree for the pole and
0 degree for the equator
This type question came out in dis year ppt jamb type.
Xo the ansa is 90 degree.

Yes bro dat was a mistake

Halpher:
The difference btw fleming's right and left hand rule is that..?

i cant really remember it well but i believe dynamo i.e d conversion of mech to elect dats is fleming left hand but d conversion of elect to mech has to do with fleming ryt hand

Hey guys lets hook up on whatsapp add me on 08162792481 or 08166492397 But d first number is better

In Ruhmkorff spark coil the insulated soft-iron wire used function to.....?

Kealmin:
i cant really remember it well but i believe dynamo i.e d conversion of mech to elect dats is fleming left hand but d conversion of elect to mech has to do with fleming ryt hand

Actually fleming right hand rule shows or give the induce current in both dynamo and electric motor
(as we knw that the flemings left shows the direction of convectional current).
while the fleming left gives or show the force or motion of the conductor.

The pure
The impure and
The Mineral state in which carbon is found are......??

The unstable produce of destructive distillation of coal is??

The intramolecular force responsible for the liquifaction and solidification of mostly non-metal and Monoatomic element/noble element. Is.......?

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princessdebbby:
although I understand all ur soln but for d no 1 I want to knw y u divided by 5/18 inorder to convert to m/s.

I believe you understand the fact that we had to convert the km/h to m/s, then You also need to understand that 1 km/h = 1000m/3600s and if you simplify that by cutting with 200, you'll get 5/18, I.E 1km/h = 5/18 m/s, hence to convert from km/h to m/s, just multiply by 5/18

For no 2 I want to knw y we can't just solve straight by usin d=vt cos if I use dz formular I wil get 180 rada dan 90.

you simply can't do that because the body is accelerating uniformly, so the velocity is constantly changing starting from 0(rest) until it finally gets to v, assuming, the body is moving with a uniform velocity v, then You can apply that formula of yours(s = vt) directly. I think you need to go through the velocity-time graph concept.

Nd 4 no 4 whr did u arrive at d formula v=u-gt..thanx

Any time a body moves Uber the influence of gravity(dropped from a height or thrown/projected vertically upwards) the S in the normal equations of linear motion changes to "h" while a changes to +g( dropping objects, since they're moving with/towards gravity) or -g(vertically projected objects, since they're moving against gravity) therefore, the normal equation v = u + at changes to v = u + gt for dropping objects or v = u - gt for objects projected vertically. Likewise V² = u² + 2as changes into V² = u² + 2gh and V² = u² - 2gh.
I hope you understand it now.

mathefaro:

I believe you understand the fact that we had to convert the km/h to m/s, then You also need to understand that 1 km/h = 1000m/3600s and if you simplify that by cutting with 200, you'll get 5/18, I.E 1km/h = 5/18 m/s, hence to convert from km/h to m/s, just multiply by 5/18


you simply can't do that because the body is accelerating uniformly, so the velocity is constantly changing starting from 0(rest) until it finally gets to v, assuming, the body is moving with a uniform velocity v, then You can apply that formula of yours(s = vt) directly. I think you need to go through the velocity-time graph concept.
Any time a body moves Uber the influence of gravity(dropped from a height or thrown/projected vertically upwards) the S in the normal equations of linear motion changes to "h" while a changes to +g( dropping objects, since they're moving with/towards gravity) or -g(vertically projected objects, since they're moving against gravity) therefore, the normal equation v = u + at changes to v = u + gt for dropping objects or v = u - gt for objects projected vertically. Likewise V² = u² + 2as changes into V² = u² + 2gh and V² = u² - 2gh.
YI hope you understand it now.

yea tnx a lot..

princessdebbby:
yea tnx a lot..

you're welcome, glad I could be of help.

1001101
Find the Ones and twos complement of the Subtrahend above.

INTEGRATE
:- 3dx/(4x-1) ^3
Diffretiate
X^2 + Y ^2 = 4

Factorise
2X^2 +3X + 10 / (x+1) (x+3)

1)In how many ways number greater than 100 can
be made using 1,2,3,4,5? No repetition.

2) A committe of four is to be chosen from 5 editors and 3 reporters.in how many ways can this be done so that commitee includes
A)at least an editor.
B)at least one reporter.

C.

Halpher:
INTEGRATE
:- 3dx/(4x-1) ^3
Diffretiate
X^2 + Y ^2 = 4

1. $3dx/(4x-1)^3
3$dx/(4x-1)^3
let u=4x-1
du/dx = 4
3/4$du/u^3
(3/16)(4x-1)4 + c
2. X^2 + y^2 = 4
2x + 2y[dy/dx] = 0
finish up

Check the question again especially the value emboldened

Halpher:
Factorise
[b]2[/b]X^2 +3X + 10 / (x+1) (x+3)

I'm not sure you guys are prepping for UTME with the kind of questions you're throwing in especially the mathematics. If you feel like flexing muscles with strong questions, you can move over to the nairaland maths clinic. Most of these questions you guys are posting are beyond the scope of UTME.

thankyouJesus:
Check the question again especially the value emboldened

The question is correct sire!

thankyouJesus:

1. $3dx/(4x-1)^3
3$dx/(4x-1)^3
let u=4x-1
du/dx = 4
3/4$du/u^3
(3/16)(4x-1)4 + c
2. X^2 + y^2 = 4
2x + 2y[dy/dx] = 0
finish up

ur 1st answer is wrong.
owkk