Question

A soccer ball is traveling at a velocity of 50 m/s. The kinetic energy of the ball is 500 J. What is the mass of the soccer ball? (Formula: )

0.1 kg
0.2 kg
0.4 kg
0.5 kg

Answer 1

Answer: 01.kg so the first one
Step-by-step explanation:

Answer 2

500=1/2*m*50^2

500=1/2*m*2500

500=m*1250

m=500/1250

m=0.4 kg