Question

A running man has half the kinetic energy that a boy of half his mass has. The man speeds up by 1m/s and then has the same kinetic energy as the boy. what were the originalspeeds of the man and the boy?

Answer 1

REFER to the attached file

Answer 2

Explanation:

A running man has half the kinetic energy than of a boy of half his mass. The man speeds up by 1.0m/s and then has the same energy as the boy. What were the original speeds of the man and the boy