A 45-kg cart slides down a slick but NOT frictionless roller-coaster track with a coefficient of kinetic friction of 0.056. At the end of the track, it reaches a level part of track and coasts it started with a speed of 2.4 m/s at a height of 5.6 m, how much energy was lost to friction during the downhill part of the run? [Note uk is the same for ALL of the track] oa stop after 12-m. If EXTRA CREDIT: Assuming the same amount of energy was lost on the hill, what would the final speed have been at the bottom of the hill if the cart had started from rest?
A 45-kg cart slides down a slick but NOT frictionless roller-coaster track with a coefficient of kinetic friction of 0.056. At the end of the track, it reaches a level part of track and coasts it started with a speed of 2.4 m/s at a height of 5.6 m, how much energy was lost to friction during the downhill part of the run? [Note uk is the same for ALL of the track] oa stop after 12-m. If EXTRA CREDIT: Assuming the same amount of energy was lost on the hill, what would the final speed have been at the bottom of the hill if the cart had started from rest?
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ISBN:9781305952300
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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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![A 45-kg cart slides down a slick but NOT frictionless roller-coaster track with a coefficient of kinetic
friction of 0.056. At the end of the track, it reaches a level part of track and coasts to a stop after 12-m. I1
it started with a speed of 2.4 m/s at a height of 5.6 m, how much energy was lost to friction during the
downhill part of the run? [Note uk is the same for ALL of the track]
EXTRA CREDIT: Assuming the same amount of energy was lost on the hill, what would the final speed
have been at the bottom of the hill if the cart had started from rest?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F96058389-9737-4e92-9810-6187695664e8%2Fd8d2bdac-9f1b-4e1c-8401-c063027c7998%2Fnriu8zh_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A 45-kg cart slides down a slick but NOT frictionless roller-coaster track with a coefficient of kinetic
friction of 0.056. At the end of the track, it reaches a level part of track and coasts to a stop after 12-m. I1
it started with a speed of 2.4 m/s at a height of 5.6 m, how much energy was lost to friction during the
downhill part of the run? [Note uk is the same for ALL of the track]
EXTRA CREDIT: Assuming the same amount of energy was lost on the hill, what would the final speed
have been at the bottom of the hill if the cart had started from rest?
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