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Physics

Physics
The force exerted on an object is 200 N and its mass is 100 kg. Find the acceleration of the object.

2 m/sq.s
2 m/s
2 m
2 s

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Physics
Rotameter is used to measure

Vortex flow
Density of fluids
Velocity of fluid in pipes
Flow of fluids

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Physics
Suppose voltage V is applied across a resistance R. The power dissipated in the resistance is P. Now the same voltage V is applied across a parallel combination of three equal resistors each of resistance R. Then the power dissipated in the second case will be

P
3P
P/3
2p/ 3

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Physics
If a force acts upon two objects at rest, and having different masses for the same amount of time, then which one of the following will be the same for both the objects?

Velocity
Momentum
Acceleration
Kinetic Energy

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Physics
Good conductor of electricity is

Paper
Dry air
Graphite
Kerosene

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Physics
A body is initially moving with a velocity of 5 m/s. It undergoes an acceleration of 2 m/s2 for 4 seconds. Find the displacement (in m) of this body in these 4 seconds.

36
8
72
4

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