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Head-on Collision

Q- A 1000 kg car traveling east at 25 mph gets rear-ended hit by a truck weighing 1500 kg also moving east. After collision the vehicles lock bumpers and continue moving east at 40 mph.

(a) What was the original speed of the truck

(b) How much kinetic energy of the system lost during this collision?

(c) If the time of collision is t = 0.05 s, what is the average force experienced by the car during collision?

Solution:

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