Question

A ball is seen rolling on a marked track with a constant speed. Photographs of ball had been taken
at the rate of 20 photographs per minute. In each photograph, ball appears to be displaced by 3 cm
from its previous position. The speed of ball is​

Answer 1

Answer:

Between points A and B the ball covers 5 equal distances=5x

Therefore, 5x=15m

x=3m

10 images are taken in 1 second,

Therfore 1 image takes 101s

Speed of the ball=1013=3×10=30m/s

Step-by-step explanation:

I hope it will be help you

Answer 2

That's enough

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