Mariam786 Mariam786

14-01-2018
Mathematics

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an object with a momentum of 12 kg m/s is travelling at 3m/s.what is its mass

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itshannahhere1 itshannahhere1

14-01-2018

4 kg because p (momentum) = m • v and p / v = m.
So 12 kg m/s divided by 3 m/s = 4 kg

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