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A man walks for some time $t$ with velocity $(v)$ due east. Then he walks for the same time $t$ with velocity $(v)$ due north. The average velocity of the man is:

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Important Questions on Kinematics

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 43

A drunkard is walking along a straight road. He takes

5

steps forward and

3

steps backwards, followed by

5

steps forward and

3

steps backwards and so on. Each step is one meter long and takes one second. There is a pit on the road

11

meters away from the starting point. The drunkard will fall into the pit after:

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 44

A car runs at constant speed on a circular track of radius

10 m

taking

6.28 s

on each lap (i.e. round). The average speed and average velocity for each complete lap is:

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 45

A particle moving in a straight line covers half the distance with a speed of

12 m s^{- 1} .

The other half of the distance is covered in two equal time intervals with speed of

4.5 m s^{- 1}

and

7.5 m s^{- 1}

respectively. The average speed of the particle during this motion is:

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 46

The magnitude of average, velocity is equal to the average speed when a particle moves

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 47

A body covers one-third of the distance with a velocity

v_{1}

the second one-third of the distance with a velocity

v_{2}

, and the last one-third of the distance with a velocity

v_{3} .

The average velocity is:

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 48

A car travels a distance

d

on a straight road in two hours and then returns to the starting point in the next three hours. Its average speed is:

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 49

A train covers the first half of the distance between two stations with a speed of

40 km h^{- 1}

and the other half with

60 km h^{- 1} .

Then its average speed is:

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 50

A car moving on a straight road covers one third of a certain distance with

20 km h^{- 1}

and the rest with

60 km h^{- 1} .

The average speed is:

A man walks for some time t with velocity v due east. Then he walks for the same time t with velocity v due north. The average velocity of the man is:

Important Questions on Kinematics

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A man walks for some time $t$ with velocity $(v)$ due east. Then he walks for the same time $t$ with velocity $(v)$ due north. The average velocity of the man is: