Determine how much work do the students do on the car

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Reference no: EM13499107

Together, two students exert a force of 640 N in pushing a car a distance of 30 m.

(a) How much work do the students do on the car?

J

(b) If the force was doubled, how much work would they do pushing the car the same distance?

J

(c) An electric motor develops 57 kW of power as it lifts a loaded elevator 16.5 m in 35 s. How much force does the motor exert?

N

Reference no: EM13499107

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