AIPMT 2010 Mains | Work, Energy and Power Question 36 | Physics

AIPMT 2010 Mains

MCQ (Single Correct Answer)

-1

A particle of mass M, starting from rest, undergoes uniform acceleration. If the speed acquired in time T is V, the power delivered to the particle is

$${{M{V^2}} \over T}$$

$${1 \over 2}{{M{V^2}} \over {{T^2}}}$$

$${{M{V^2}} \over {{T^2}}}$$

$${1 \over 2}{{M{V^2}} \over T}$$

AIPMT 2010 Prelims

MCQ (Single Correct Answer)

-1

A ball moving with velocity 2 m/s collides head on with another stationary ball of double the mass. If the coefficient of restitution is 0.5, then their velocities (in m/s) after collision will be

0, 1

1, 1

1, 0.5

0, 2

AIPMT 2010 Prelims

MCQ (Single Correct Answer)

-1

An engine pumps water through a hose pipe. Water passes through the pipe and leaves it with a velocity of 2 m/s. The mass per unit length of water in the pipe is 100 kg/m. What is the power of the engine?

400 W

200 W

100 W

800 W

AIPMT 2009

MCQ (Single Correct Answer)

-1

A body of mass 1 kg is thrown upwards with a velocity 20 m/s. It momentarily comes to rest after attaining a height of 18 m. How much energy is lost due to air friction? (g = 10 m/s²)

30 J

40 J

10 J

20 J

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