# Work, Energy and Power-Kinetic Energy (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Physics): Questions 1 - 5 of 5

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## Question number: 1

» Work, Energy and Power » Kinetic Energy

Appeared in Year: 2012

MCQ▾

### Question

A clay ball of mass m and speed v strikes another metal ball of same mass m, which is at rest. They stick together after collision. The kinetic energy of the system after collision is:

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 2

» Work, Energy and Power » Kinetic Energy

MCQ▾

### Question

A ball of mass 5 kg is in motion and has a momentum 25 kg-m/s. A force of 0.8 N acts on it along the direction of the motion for 20 s. The increase in its kinetic energy is,

### Choices

Choice (4) Response

a.

118.5 J

b.

105.6 J

c.

91.5 J

d.

127 J

## Question number: 3

» Work, Energy and Power » Kinetic Energy

MCQ▾

### Question

A ball whose kinetic energy is E, is thrown at an angle of 300 with the horizontal. Its kinetic energy at the highest point of its trajectory will be,

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 4

» Work, Energy and Power » Kinetic Energy

MCQ▾

### Question

A ball whose kinetic energy is E, is thrown at an angle of 600 with the horizontal. Its kinetic energy at the highest point of its trajectory will be,

### Choices

Choice (4) Response

a.

b.

0

c.

d.

## Question number: 5

» Work, Energy and Power » Kinetic Energy

MCQ▾

### Question

A ball of mass 3 kg is in motion and has a momentum 15 kg-m/s. A force of 0.6 N acts on it along the direction of the motion for 15 s. The increase in its kinetic energy is,

### Choices

Choice (4) Response

a.

27 J

b.

81 J

c.

9 J

d.

58.5 J

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