What is the mass of an object moving at a speed of 9.0 m/s with a kinetic energy of 200 J?

Physics

1 answer:

Yuliya22 [10]2 years ago

8 0

Ek= 1/2mv²
200=1/2 m(9 ²)
200=1/2(81)m
200=40.5m
m=200/40.5
m=4.93kg

Answer: 4.9 kg (second option)

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