AIPMT 2011 Prelims | Work, Energy and Power Question 37 | Physics

AIPMT 2011 Prelims

MCQ (Single Correct Answer)

-1

A body projected vertically from the earth reaches a height equal to earth's radius before returning to the earth. The power exerted by the gravitational force is greatest

at the highest position of the body

at the instant just before the body hits the earth.

it remains constant all through.

at the instant just after the body is projected.

AIPMT 2011 Prelims

MCQ (Single Correct Answer)

-1

Force F on a particle moving in a straight line varies with distance d as shown in figure.

AIPMT 2011 Prelims Physics - Work, Energy and Power Question 38 English

AIPMT 2011 Prelims Physics - Work, Energy and Power Question 38 English

The work done on the particle during its displacement of 12 m is

18 J

21 J

26 J

13 J

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

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

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