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Question (11)

QN0034743

A body moves in straight line with velocity for time and for remaining time with . Find average velocity.

(A)
(B)
(C)
(D)

Correct Answer: A

Explanation:

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Question (12)

QN0034744

A particle moves in straight line with velocity and for time intervals which are in ratio . Find average velocity.

(A)
(B)
(C)
(D)

Correct Answer: C

Explanation:

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Question (13)

QN0034745

A man leaves his house for a cycle ride. He comes back to his house after half-an-hour after covering a distance of one . What is his average velocity for the ride?

(A)
zero
(B)
(C)
(D)

Correct Answer: A

Explanation:

Since displacement is zero.

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Question (14)

QN0034746

A point traversed half of the distance with a velocity . The half of remaining part of the distance was covered with velocity & second half of remaining part by velocity. The mean velocity of the point, averaged over the whole time of motion is

(A)
(B)
(C)
(D)

Correct Answer: D

Explanation:

Let the total distance be . Then for first half distance, time , next distance and last half distance

Now average speed

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Question (11)

A body moves in straight line with velocity for time and for remaining time with . Find average velocity.

Explanation:

Link:

Question (12)

A particle moves in straight line with velocity and for time intervals which are in ratio . Find average velocity.

Explanation:

Link:

Question (13)

A man leaves his house for a cycle ride. He comes back to his house after half-an-hour after covering a distance of one . What is his average velocity for the ride?

Explanation:

Link:

Question (14)

A point traversed half of the distance with a velocity . The half of remaining part of the distance was covered with velocity & second half of remaining part by velocity. The mean velocity of the point, averaged over the whole time of motion is

Explanation:

Link:

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