A girl lifts a 160-N load to a height of 1 min 0.5 s. How much power is used to lift the load? A. 320 W B. 80 W C. 32 w

Question

A girl lifts a 160-N load to a height of 1 min 0.5 s. How much power is used to lift the load?
A. 320 W
B. 80 W
C. 32 w
D. 160 W

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Thái Dương 5 years 2021-09-04T15:04:58+00:00 1 Answers 29 views 0

Answers ( )

  1. Farah
    0
    2021-09-04T15:06:35+00:00
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    Answer: 320 W

    Explanation:

    P = W/t

    W = F * d

    F = 160 N

    d = 1 m

    t = 0.5 s

    W = 160 * 1

    W = 160 J

    P = 160 J / 0.5 s

    P = 320 W

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