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12 March, 11:20

Gabriella weighs 450 N. She climbs a flight of stairs to a height of 3 m. It takes her 5 seconds. How much work does Gabriella do when she climbs the stairs?

A.

150 J

B.

270 J

C.

1350 J

D.

2250 J

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Answers (1)
  1. 12 March, 12:00
    0
    The formula that can be applied in this problem is W = Fd where W is work, F is the force and d is distance. You have 450N and 3m, all you have to do is to multiply it.

    W = Fd

    W = (450N) (3m)

    W = 1350J

    The answer is letter C.
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