Gayle runs at a speed of 8.00 m/s and dives on a sled, initially at rest on the top of a frictionless, snow-covered hill, that has a vertical drop of 23.0 m. After she has descended a vertical distance of 3.00 m, her brother, who is initially at rest, hops on her back, and they continue down the hill together.

(a) What is the speed of the sled just after the brother jumps on?

(b) What is their speed at the bottom of the hill?

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What is their speed at the bottom of the hill : Gayle runs at a speed of 8.00 m/s and dives on a sled, initially at rest on the top of a frictionless, snow-covered hill, that has a vertical drop of 23.0 m. What is their speed at the bottom of the hill |

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