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28 June, 00:21

The pony express was a popular method of moving the mail quickly in the mid-1800s. Suppose a pony's momentum is calculated to be

The mass of the pony is 450 kg. What is the magnitude of the pony's velocity?

A) 16 km/hr

B) 320 km/hr

C) 630 km/hr

D) 160 km/hr

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Answers (2)
  1. 28 June, 00:50
    0
    There's a big yawning gaping hole in the question.

    It's right after the words " ... calculated to be", and

    that's where the pony's momentum is supposed to be.

    Momentum = (mass) x (speed).

    The pony's speed = (the pony's momentum) / 450 kg.
  2. 28 June, 01:43
    0
    A. 16 km/hr Wish you the best of luck!
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