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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22-12-2017
Chemistry

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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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Аноним Аноним · Answer 1 · 2017-12-22T05:28:53+01:00

Аноним Аноним

22-12-2017

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.

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