Answered

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An object has a velocity of 8 m/s and a kinetic energy of 480 J. What is the mass of the object? (Formula: ) 7. 5 kg 15 kg 60 kg 120 kg.

Sagot :

Answer:

15 kg

Explanation:

KE = 1/2 * m * v²   ⇒  m = (2*KE) / v²

m = (2*480) / 8²

m=15 kg

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