naydelinalvarez naydelinalvarez

07-11-2019
Physics

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A medicine ball is dropped from a height of 1 m. It strikes the ground with an energy of 50 J. What is the mass of the medicine ball?

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MathPhys MathPhys

07-11-2019

Answer:

5 kg

Explanation:

PE = KE

mgh = KE

m (9.8 m/s²) (1 m) = 50 J

m = 5.1 kg

Rounded to one significant figure, the mass is 5 kg.

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