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The percent efficiency of a machine is 30%. What is the input energy required if a 500 kg object is to be lifted 4m? (3
The percent efficiency of a machine is 30%. What is the input energy required if a 500 kg object is to be lifted 4m? (3 marks)
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University Physics with Modern Physics
Authors: Hugh D. Young, Roger A. Freedman
14th edition
133969290, 321973615, 9780321973610, 978-0133977981
