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Determin the kinetic energy of 1000-kg roller coaster car that is moving with the speed of 20.o m/s what if the speed was moving twice the speed

Determin the kinetic energy of 1000-kg roller coaster car that is moving with the speed of 20.o m/s what if the speed was moving twice the speed
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Determin the kinetic energy of 1000-kg roller coaster car that is moving with the speed of 20.o m/s what if the speed was moving twice the speed

User Pedro LM
by
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1 Answer

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KE = (1/2)mv²

KE = (1/2)* 1000* 20²

= 200 000J

If it is moving twice the speed.

v = 2*20 = 40

KE = (1/2)* 1000* 40²

KE = 800 000J

User Bdowden
by
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