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26 Nov 2019
37) A120-g rubber ball is thrown with aspeed of 10m/s at an oncoming 900-kg car whichis
approaching at 30m/s, and undergoes aone-dimensionalelastic collision with the car. What is the
speed of the ballafter the collision?
A) 30 m/s B) 70 m/s C) 40 m/s D)50 m/s E) 10 m/s
37) A120-g rubber ball is thrown with aspeed of 10m/s at an oncoming 900-kg car whichis
approaching at 30m/s, and undergoes aone-dimensionalelastic collision with the car. What is the
speed of the ballafter the collision?
A) 30 m/s B) 70 m/s C) 40 m/s D)50 m/s E) 10 m/s
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Casey DurganLv2
12 Mar 2019