Question

The velocity- time graph of a ball rolling on a concrete floor is shown in the figure. If the mass of ball is 100 g, the magnitude of frictional force of the floor acting on the ball is
1 point
Captionless Image
a. 0.25 N
b. 0.4 N
c. 2 N
d. 2.5 N

Answer 1

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Explanation:

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