Physics, 09.02.2021 16:50, avagracesmith5

**Running at 2.0 m/s, Bruce, the 45.0-kg quarterback, collides with Biff, the 90.0-kg tackle, who is traveling at 7.0 m/s 1n the other direction. Upon collision, Biff continues to travel
forward at 1.0 m/s. How fast is Bruce knocked backwards?

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**Running at 2.0 m/s, Bruce, the 45.0-kg quarterback, collides with Biff, the 90.0-kg tackle, who i...