A truck is driving down a steep slope on the highway when its brakes fail. It pulls over to the side of the road onto an upward tilted runaway truck ramp. The initial velocity of the truck is 31.4 m/s and it has a mass of 11750 kg. The truck loses -1505000 J of energy to air resistance as it rises up the ramp and eventually stops. What is the height of the truck when it stops (relative to its starting height at the bottom of the ramp)? Previous submissions:

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Chapter7: Work, Energy, And Energy Resources
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5. A truck is driving down a steep slope on the highway when its brakes fail. It pulls over to the side of the road onto an upward tilted runaway truck ramp. The initial velocity of the truck is 31.4 m/s and it has a
mass of 11750 kg. The truck loses -1505000 J of energy to air resistance as it rises up the ramp and eventually stops. What is the height of the truck when it stops (relative to its starting height at the bottom
of the ramp)?
Previous submissions:
6. A 89 kg firefighter slides down the firepole starting from rest. The friction force between his hands the the pole is 641.25 N. If his speed at the bottom is 3 m/s, what is the height of the pole?
Hint: youre using both W = F Ax cose and Wnc = AKE + APE.
Previous submissions:
Transcribed Image Text:5. A truck is driving down a steep slope on the highway when its brakes fail. It pulls over to the side of the road onto an upward tilted runaway truck ramp. The initial velocity of the truck is 31.4 m/s and it has a mass of 11750 kg. The truck loses -1505000 J of energy to air resistance as it rises up the ramp and eventually stops. What is the height of the truck when it stops (relative to its starting height at the bottom of the ramp)? Previous submissions: 6. A 89 kg firefighter slides down the firepole starting from rest. The friction force between his hands the the pole is 641.25 N. If his speed at the bottom is 3 m/s, what is the height of the pole? Hint: youre using both W = F Ax cose and Wnc = AKE + APE. Previous submissions:
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