8. If a runner’s power is 400 W as she runs, how much chemical energy does she convert into other forms in 10.0 minutes? E = P X t

Question

8. If a runner’s power is 400 W as she runs, how much chemical energy does she convert into other forms in 10.0 minutes? E = P X t

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Thu Nguyệt 3 years 2021-09-04T08:38:13+00:00 1 Answers 172 views 0

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  1. taiduc
    0
    2021-09-04T08:40:08+00:00
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    Answer:

    2400kJ

    Step-by-step explanation:

    Step one:

    given data

    power P= 400W

    time = 10minutes

    to seconds= 60*10 = 600 seconds

    Required

    the energy

    Step two:

    we know that Energy= power * time

    E=P*t

    E=400*600

    E=240000

    E=2400kJ

    She converts 2400kJ into other forms

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