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PLEASE HELP ASAP!!! An object has a kinetic energy of 50 J and a velocity of 5 m/s, what is the mass of the object? A. 4 kg B. 55 kg С. 10 kg D. 1 kg

PLEASE HELP ASAP!!! An object has a kinetic energy of 50 J and a velocity of 5 m/s, what is the mass of the object? A. 4 kg B. 55 kg С. 10 kg D. 1 kg
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PLEASE HELP ASAP!!!

An object has a kinetic energy of 50 J and a velocity of 5 m/s, what is the mass of the
object?

A. 4 kg

B. 55 kg

С. 10 kg

D. 1 kg

User Yuberka
by
7.7k points

1 Answer

6 votes

Answer:

0.5mv^2=50, v=5, 25/2×m=50, m=50×2/25, So, the answer is 4

User Checo R
by
7.8k points
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