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A man holding a rock sits on a sled that is sliding across a frozen lake (negligible friction) with a speed of 0.460 m/s. The total mass of the sled, man, and rock is 95.5 kg. The mass of the rock is 0.290 kg and the man can throw it with a speed of 15.0 m/s. Both speeds are relative to the ground. Determine the speed of the sled (in m/s) if the man throws the rock forward (.e., in the direction the sled is moving). 4412 X Try to write a statement of conservation of momentum and then solve for the speed of the sled-man combination. Pay careful attention to the sign associated with the speed of the thrown rock. m/s Determine the speed of the sled (in m/s) if the man throws the rock directly backward. m/s Enter a number Additional Materiale