Question

certain force acting on a 20 kg mass changes its velocity from 5ms -1. calculate the work done by the force​

Answer 1

Answer:

Work Done is 25 Joule

WD = 1/2×m×v2

so WD = 250 J

Answer 2

Explanation:

formula = 1/2 mv^2 - 1/2mu^2

1/2×20×5 - 1/2×20×1

50 - 10

40 J