sharondacarruth71 sharondacarruth71

08-02-2024
Chemistry

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A boy of mass 50 kg runs up a staircase of 45 steps in 9 s. If the height of each step of the staircase is 15 cm, find the power of the boy.
a. 375 W
b. 480 W
c. 550 W
d. 5390 W

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