Distracted Driver Clipart Physics.. 1400 Kg Car Moving At 40 Km/hr When The Driver Gets Distracted And Accidentally Rear?

Physics.. 1400 kg car moving at 40 km/hr when the driver gets distracted and accidentally rear? - distracted driver clipart

Physics. Using conservation of mechanical energy. A 1400 kg car moving at 40km / h when the driver distracted and accidentally rear
Ends of a car stopped in front of him. The bumper is compressed from 30 cm to leave the car. What
effective spring constant is the defense?

Answer:
1.92 x 106 N / m

How can I do?

1 comments:

kirchwey said...

First, treat the initial PE EC Final:
mv ^ 2 / 2 = kx ^ 2 / 2
Then solve for K:
k = m * (v / x) ^ 2 = 1400 * ((40/3.6) / 0.3) ^ 2 = 1920438.957476 N / m

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