An object has a velocity of 8m/s and a kinetic energy of 480 j what is the mass of the object

Question

Cheyanne Blevins

Chemistry

19 June, 09:04

An object has a velocity of 8m/s and a kinetic energy of 480 j what is the mass of the object

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Answers (1)

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Monserrat · Answer 1

Kinetic energy=Ek

Ek = (1/2) mv²

Ek=480 J

v=8 m/s

mass=?

Ek = (1/2) mv²

480 J = (1/2) m (8 m/s) ²

480 J = (32 m²/s²) m

m = (480 J) / (32 m²/s²) = 15 kg

answer: the mass of the object is 15 kilograms.