Question

A boy is running with a kinetic energy of 82"" j if the boy has a mass of 80 kg what is his speed

Answer 1

Explanation:

$v = \sqrt \ \frac{ke}{ \frac{1}{2} m}$

$v = \sqrt \ \frac{82}{ \frac{1}{2} (80)}$

v = 1.4317821063276 m/s