Work, Energy and Power-Kinetic Energy (BITSAT Physics): Questions 1 - 4 of 4

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Question number: 1

» Work, Energy and Power » Kinetic Energy

MCQ▾

Question

If the new velocity of a body is twice its previous velocity, then kinetic energy will become –

Choices

Choice (4) Response

a.

4times

b.

6times

c.

2times

d.

0.5times

Question number: 2

» Work, Energy and Power » Kinetic Energy

MCQ▾

Question

A particle of mass m and charge q is placed at rest in a uniform electric field E and then released. The kinetic energy attained by the particle after moving a distance y is –

Choices

Choice (4) Response

a.

qE2y

b.

qEy2

c.

qEy

d.

q2Ey

Question number: 3

» Work, Energy and Power » Kinetic Energy

MCQ▾

Question

If a body of mass 3kg is dropped from the top of a tower of height 25 meters, then its kinetic energy after 3 seconds will be

Choices

Choice (4) Response

a.

1296J

b.

557J

c.

746J

d.

1048J

Question number: 4

» Work, Energy and Power » Kinetic Energy

MCQ▾

Question

The kinetic energy of a body of mass 2kg and momentum of 2 Ns is

Choices

Choice (4) Response

a.

1J

b.

2J

c.

4J

d.

3J

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