16-01-2020
Physics

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If a ride at disneyworld goes from rest to 27 m/s in 2.8 seconds and the mass of the ride and riders together 5000kg. What is the average power required to do this? Give your answers in both watts and horsepower

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MathPhys MathPhys

16-01-2020

Answer:

P ≈ 650,000 W

P ≈ 870 hp

Explanation:

Power = work / time

Power = Δenergy / time

P = ½ mv² / t

P = ½ (5000 kg) (27 m/s)² / 2.8 s

P ≈ 650,000 W

P ≈ 870 hp

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