A 1,000 -W motor powers a hoist used to lift cars at a service station. -How much time would it take to raise a 1,500-kg car 2 m? - if the original motor is replaced with one rated at 2,000W , how long would it take to complete this task?

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Chapter1: Units, Trigonometry. And Vectors
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A 1,000 -W motor powers a hoist used to lift cars at a service station. -How much time would it take to raise a 1,500-kg car 2 m? - if the original motor is replaced with one rated at 2,000W , how long would it take to complete this task?
Expert Solution
Step 1

Given data: 

Power (P) = 1000 W

Mass (m) = 1500 kg

Height (h) = 2 m

New Power (P') = 2000 W

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