Kathyrod Kathyrod

07-12-2016
Physics

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a 700 kg racecar slowed from 30 m/s to 15 m/s. What is the change in momentum

Respuesta :

07-12-2016

Momentum = (mass) x (speed)

Original momentum = (700 kg) x (30 m/s) = 21,000 kg-m/s

Final momentum = (700 kg) x (15 m/s) = 10,500 kg-m/s

Change in momentum = - 10,500 kg-m/s .

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