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What is the height of a slope if a car weighing 1000 kg starts at the top at 0 meters per second and ends at the bottom at 20 meters per second?
Wiki User
∙ 13y ago
We set the potential energy formula, PE = mgh, equal to the kinetic energy formula, KE = 1/2mV^2
mgh = 1/2mV^2
cancel m algebraically
gh = 1/2V^2
plug and chug
(9.80 m/s^2)h = 1/2(20 m/s)^2
9.80h = 200
height = 20.4 meters
Wiki User
∙ 13y ago
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