# Kinematics (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 151 - 154 of 233

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## Question number: 151

» Kinematics » Average Speed and Instantaneous Velocity

MCQ▾

### Question

A cricket ball of mass 200 g is moving with a velocity of 12m/sec and is hit by a bat so that the ball is turned back with a velocity of 24 m/sec; the force on the ball acts for 0.5 sec, then the average force exerted by the bat on the ball will be

### Choices

Choice (4) Response

a.

400 N

b.

40 N

c.

4.8 N

d.

480 N

## Question number: 152

» Kinematics » Uniform and Non-Uniform Motion

MCQ▾

### Question

A body whose mass 4 kg is acted upon by two forces (8i + 10j) N and (4i + 8j) N. The acceleration produced will be (in m/s 2) -

### Choices

Choice (4) Response

a.

2i + 3j

b.

6i + 9j

c.

1/3 (G + 3)

d.

(3i + 2j)

## Question number: 153

» Kinematics » Average Speed and Instantaneous Velocity

MCQ▾

### Question

A mass of 10 kg is hung to a spring balance in lift. If the lift is moving with an acceleration g/3 in upward & downward directions, choose the correct options related to the reading of the spring balance.

1. 13.3 kg
2. 66.7 kg
3. 32.6 kg
4. 0

Select the correct answers and mark it according to the following

### Choices

Choice (4) Response

a.

1 and 2 are correct

b.

1 and 3 are correct

c.

1,2 and 3 are correct

d.

2 and 4 are correct

## Question number: 154

» Kinematics » Average Speed and Instantaneous Velocity

MCQ▾

### Question

A ship is steaming towards east at a speed of 10 ms -1. A woman runs across the deck at a speed of 8 ms -1 in the direction at right angles to the direction of motion of the ship i. e. towards north. What is the velocity of the woman relative to sea?

### Choices

Choice (4) Response

a.

11.64 m/s

b.

17 m/s

c.

12.806 m/s

d.

17.506 m/s

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