Example 2: In order to get the cart from point 1 to point 2, a 3000 W motor was used to pull the 25 kg cart up the hill. If we assume a frictionless track, determine: a) The energy that must be put in to reach point 2 b) The time it takes for the cart to reach point 2 c) The speed at point 3 8.86 M/s d) The height at point 4 49.5 m/s 124.5 m 5.24 Mis h= ?? 22.5 m

College Physics
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Chapter5: Energy
Section: Chapter Questions
Problem 65AP: A roller-coaster car of mass 1.50 103 kg is initially at the top of a rise at point . It then moves...
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Energy Conservation
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Exiózullscreen
Example 2: In order to get the cart from point 1 to point 2, a 3000 W motor was used to pull
the 25 kg cart up the hill. If we assume a frictionless track, determine:
a) The energy that must be put in to reach point 2
b) The time it takes for the cart to reach point 2
c) The speed at point 3
d) The height at point 4
Sluu 988
9.5 m/s
124.5 m
5.24 m/s
h= ??
22.5 m
II
Transcribed Image Text:Energy Conservation 6 / 13 Exiózullscreen Example 2: In order to get the cart from point 1 to point 2, a 3000 W motor was used to pull the 25 kg cart up the hill. If we assume a frictionless track, determine: a) The energy that must be put in to reach point 2 b) The time it takes for the cart to reach point 2 c) The speed at point 3 d) The height at point 4 Sluu 988 9.5 m/s 124.5 m 5.24 m/s h= ?? 22.5 m II
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