Question

a ball rolls up a slope. at the end of 3 sec its velocity is 20cm\sec at the end of 8 sec its velocity is 0.what is avg acc from 3-8 sec​

Answer 1

Answer:

-1.81 m/s^2

Explanation:

Given,3 sec ⇒ velocity 20 cm/s

8 sec ⇒ velocity 0 cm/s

Therefore a=v-u/t

a=0-20/11

a=-1.81 m/s^2

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