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28 May, 00:23

Suppose a cars momentum is calculated to be 36000 kg• km / hr the mass of the car is 1500 kg what is the magnitude of the velocity of the car?

A) 24 km/hr

B) 0.042 km/hr

C) 37,500 km/hr

D) 34,500 km/hr

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Answers (1)
  1. 28 May, 00:46
    0
    Momentum = (mass) x (speed)

    (Speed = magnitude of velocity)

    36,000 kg-km/hr = (1,500 kg) x (speed)

    Divide each side by (1,500 kg):

    Speed = (36,000 kg-km/hr) / (1,500 kg)

    Speed = (36,000 / 1,500) kg-km / hr-kg

    Speed = 24 km/hr
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