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missbecca1229p6glel
18.10.2019 •
Mathematics
Determine the kinetic energy of a 1000-kg roller coaster car that is moving with a speed of 20.0m/s.
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Ответ:
Mass of the roller coaster = 1000 kg
Velocity of the roller coaster = 20.0 m/s
We know the formula for finding the kinetic energy is
Kinetic energy = 0.5 * mass * (velocity) ^2
= 0.5 * 1000 * (20)^2
= 0.5 * 1000 * 400
= 200000 Joules
So the Kinetic energy of the roller coaster is 200000 joules.
Ответ: