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04-01-2019
Physics

contestada

A car of mass 2400kg moving at 20 m/s slams into a cement wall and comes to a halt?

Respuesta :

04-01-2019

Impulse = change in momentum

The car's momentum was (mass) x (speed)

Momentum = (2400 kg) x (20 m/s)

Momentum = 48,000 km-m/s

To completely stop the car, the impulse = -48,000 km-m/s .

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