rubi0822 rubi0822

11-02-2021
Physics

contestada

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

Respuesta :

philelliott philelliott

19-02-2021

Answer: .15

Explanation:

K.E. = 1/2 mv2

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

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

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