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Subject :Physics    Class : Class 8

A boy rolls a rubber ball on a wooden surface. The ball travels a short distance before coming to rest. To make the same ball travel longer distance before coming to rest, he may

A spread a carpet on the wooden surface.
B cover the ball with a piece of cloth.
C sprinkle talcum powder on the wooden surface.
D sprinkle sand on the wooden surface.


Ans 1:

Class : >Class 8
20

Ans 2:

Class : >Class 8
20

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