Question

A ball of 0.5kg slows down from 5m/s to 3m/s. Calculate the work done in the process

Answer 1

Answer: Cannot determine cause we need to know the change of time to calculate the work.

Explanation:

m = 0.5kg

V = 3m/s - 5m/s = -2m/s

P = W/t = Fv

F = ma

W = Fvt

W = (0.5)(9.8)t = 4.9t