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The National Transportation Safety Board is testing the crash- worthiness of a new car. The 2340-kg vehicle is driven at 12.6 km/h into an abutment. During impact, the center of mass of the car moves forward 64.0 cm; the abutment is com- pressed by 8.30 cm, Ignore friction between the car and the road. (a) Find the force, assumed constant, exerted by the abutment on the car. (b) By how much does the internal energy of the car increase?

The National Transportation Safety Board is testing the crash- worthiness of a new car. The 2340-kg vehicle is driven at 12.6 km/h into an abutment. During impact, the center of mass of the car moves forward 64.0 cm; the abutment is com- pressed by 8.30 cm, Ignore friction between the car and the road. (a) Find the force, assumed constant, exerted by the abutment on the car. (b) By how much does the internal energy of the car increase?

Grade:upto college level

1 Answers

Navjyot Kalra
askIITians Faculty 654 Points
8 years ago
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