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8 April, 05:52

What is the speed of a 1200 kg car moving

with a kinetic energy of 15 kJ?

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Answers (1)
  1. 8 April, 07:45
    0
    Answer:5m/s

    Explanation:

    Kinetic energy=ke=15kj=15x1000j=15000j

    Mass=1200kg

    Speed=√ (2ke/m)

    Speed=√ (2x15000/1200)

    Speed=√ (30000/1200)

    Speed=√ (25)

    Speed=5m/s
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