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1. A truck that weights 2.511115 3: and traveling at 20 ms's rearends stopped small car that weights 1.3141101 3'. Immediately after the collision the

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1. A truck that weights 2.511115 3:" and traveling at 20 ms's rearends stopped small car that weights 1.3141101 3'. Immediately after the collision the tuckis speed is 15 Ir'IS. (a) What is the speed of the car just after the collision? V (b) Is this elastic oi' inelastic collision {you need to prove your answer)? '-* Ga

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