A test car crashes into a wall at 30.0m/s, ...?

  • Thread starter Thread starter Jerry S
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Jerry S

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A test car crashes into a wall at 30.0m/s, and is brought to rest in 0.15s. What is the average force exerted on a 80.0kg test dummy by the seat belt?

do i find out the energy and use a 1/2mv to find it out?
 
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