a student eats a dinner that totalled 2800 calories he wants to use up all...

a student eats a dinner that totalled 2800 calories he wants to use up all that energy by lifting a 20kg mass a distance of 1.0m how many times must must he lift the mass? If he lifts the mass every 8 seconds how long will the exercise take?

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Asked by Amaterasau on 5th December, 2021

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