Question

Urgent!

What is the mass of a baseball that has a kinetic energy of 4.8 J and is traveling at 8 m/s?
A. 0.15 J
B. 0.15 kg
C. 0.075 J
D. 0.075 kg ​

Answer 1

Answer: .15

Step-by-step explanation:

K.E. = 1/2 mv2

so m = 2 (K.E.)/v2

so m = 2 (4.8)/64 = .15