Question #250452
1500-kg car and a 5000-kg bus are both moving at a speed of 75 km/hr on a southward highway.
Calculate the momentum of each vehicles.
1
Expert's answer
2021-10-12T16:23:26-0400

Convert 75 km/h to m/s:


v=751000/2500=20.83 m/s.v=75·1000/2500=20.83\text{ m/s}.


Momentum of the car:


pc=mcv=31250 kg m/s,p_c=m_cv=31250\text{ kg m/s},

momentum of the bus:


pb=mbv=104150 kg m/s.p_b=m_bv=104150\text{ kg m/s}.


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