A 1200 kg car can accelerate from 30.0 m/s to 50.0 m/s in 10.0 s. Neglecting friction and air resistance, what is the mechanical power that the engine of the car provides during this time interval? Hint: Determine first the amount of work, W done on the car by using this equation: K, – K = W where K, = mv,² and K = mv,². Then use the value of W and At to %3D

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A 1200 kg car can accelerate from 30.0 m/s to 50.0 m/s in 10.0 s. Neglecting
friction and air resistance, what is the mechanical power that the engine of the
car provides during this time interval?
Hint: Determine first the amount of work, W done on the car by using this
equation: K, – Kį = W where K, = mv,² and K = mv;². Then use the value of W and At to
find the value of power,
Transcribed Image Text:A 1200 kg car can accelerate from 30.0 m/s to 50.0 m/s in 10.0 s. Neglecting friction and air resistance, what is the mechanical power that the engine of the car provides during this time interval? Hint: Determine first the amount of work, W done on the car by using this equation: K, – Kį = W where K, = mv,² and K = mv;². Then use the value of W and At to find the value of power,
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