Question

Mary has a mass of 40 kg and Sprint's at 1 m/s. how much kinetic energy does she have?

Answer 1

Answer:

20J

Explanation:

K.E = 1/2mv^2

Where m = 40kg

V = 1m/s

K.E = 1/2×40×1×1

K.E = 20J

The kinetic energy of the Sprint is 20joules