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Yuri [45]
3 years ago
8

A rolling ball has 18 joules of kinetic energy and is rolling 3 m/s. Find its mass.

Biology
2 answers:
Serhud [2]3 years ago
7 0

Answer:

4 kg

Explanation:

larisa86 [58]3 years ago
5 0

Answer: The mass is 4kilograms

Explanation:

Kinetic energy = 1/2 X (Mass X Velocity*2)

18 = 0.5 X Mass X 3*2

18 = 0.5 X Mass X 9

18 = 4.5 X Mass

Mass = 18/4.5

Mass = 4kg

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