A roller coaster of mass 800 kg is moving with a speed of 20.0 m/s at position A. At position C, the speed of the roller coaster is 27.0 m/s. How much work was done by friction between points A and C? a. −182 kJ b. 0 c. + 445 KJ d. +1276 KJ

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Chapter1: Units, Trigonometry. And Vectors
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A roller coaster of mass 800 kg is moving with a speed of 20.0 m/s at position A. At position C, the speed of the roller coaster is 27.0 m/s. How much work was done by friction between points A and C?

a. −182 kJ

b. 0

c. + 445 KJ

d. +1276 KJ

The image depicts a wave-like curve with three key points labeled A, B, and C.

- Point A is at the peak of the first wave and has a height of 200 meters from the baseline (represented by a dashed line).
- Point B is at the lowest point or trough of the wave, lying on the baseline.
- Point C is at the peak of the second wave and has a height of 160 meters from the baseline.

This diagram could be used to illustrate concepts related to wave mechanics, potential and kinetic energy, or elevation changes in physics or earth sciences.
Transcribed Image Text:The image depicts a wave-like curve with three key points labeled A, B, and C. - Point A is at the peak of the first wave and has a height of 200 meters from the baseline (represented by a dashed line). - Point B is at the lowest point or trough of the wave, lying on the baseline. - Point C is at the peak of the second wave and has a height of 160 meters from the baseline. This diagram could be used to illustrate concepts related to wave mechanics, potential and kinetic energy, or elevation changes in physics or earth sciences.
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