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

asked May 11, 2023 14.8k views

5 votes

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

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3 votes

Answer:

Step-by-step explanation:

KE = 1/2 m v^2

KE *2 / v^2 = m

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

Elersong answered May 13, 2023

4.9k points

5 votes

Answer: 5kg

Explanation: formula K=1/2mv^2

50=10m

Royce Raju Beena answered May 16, 2023

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