Question

What is they mass of an object that has 324 joules of energy and is moving at a speed of 9m/s

Answer 1

Explanation:

kinetic energy = 1/2:m v^2

324= 1/2 m 81

m=8

Answer 2

Answer:

m = ?

KE = 324J

v = 9 m/s

KE = 1/2 mv2

324 x 2 = m x 9 x 9

648/81 = m

m = 8 KG

Explanation:

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