Physics, 24.10.2019 02:50, catchonyet

Sledding down a hill, you are traveling at 10 m/s when you reach the bottom. you (inertia 80 kg ) then move across horizontal snow toward a 400-kg boulder but jump off the sled (inertia 8.0 kg ) the instant before it hits the boulder. the boulder is sitting on very slick ice and moves freely when the sled hits it. the sled bounces back, moving at 6.0 m/s. at what speed does the boulder move after the sled hits it?

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Sledding down a hill, you are traveling at 10 m/s when you reach the bottom. you (inertia 80 kg ) th...