Kinematics-Average Speed and Instantaneous Velocity (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 54 - 58 of 108

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2142 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 550.00 or

Question number: 54

» Kinematics » Average Speed and Instantaneous Velocity

MCQ▾

Question

A lady is walking on a level road at a speed of 8 km/h. Raindrops fall vertically with a speed of 6 km/h. Find the velocity of raindrops with respect to the men.

Choices

Choice (4) Response

a.

4 km/hr

b.

3 km/hr

c.

10 km/hr

d.

7 km/hr

Question number: 55

» Kinematics » Average Speed and Instantaneous Velocity

MCQ▾

Question

A body of mass 2 kg is moving along x-defection with a velocity of 2 m/sec. If a force of 4 N is applied on it along y-direction for 1 sec, the final velocity of particle will be -

Choices

Choice (4) Response

a.

2√2 m/s

b.

√2m/s

c.

1/√2 m/s

d.

1/2√2 m/s

Question number: 56

» 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: 57

» 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: 58

» 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

f Page
Sign In