annabelestevez annabelestevez

29-07-2022
Chemistry

contestada

A toy truck has a speed of 10 m/s and kinetic energy of 50 J. What is its mass?

A. 5 kg
B. 4 kg
C. 1 kg
D. 3 kg

Respuesta :

Kamiiiiiiiii Kamiiiiiiiii

29-07-2022

Answer: 5kg

Explanation: formula K=1/2mv^2

50=10m

Answer Link

jsimpson11000 jsimpson11000

29-07-2022

Answer:

C

Explanation:

KE = 1/2 m v^2

KE *2 / v^2 = m

50 (2)/ 10^2 = m = 1 kg

Answer Link

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