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23 Nov 2019
Gayle runs at a speed of 3.80 m/s and dives on a sled, initially atrest on the top of a frictionless snow covered hill. After she hasdescended a vertical distance of 5.00 m, her brother, who isinitially at rest, hops on her back and together they continue downthe hill. What is their speed at the bottom of the hill if thetotal vertical drop is 20.5 m? Gayle's mass is 50.0 kg, the sledhas a mass of 5.00 kg and her brother has a mass of 30.0 kg.
m/s
Gayle runs at a speed of 3.80 m/s and dives on a sled, initially atrest on the top of a frictionless snow covered hill. After she hasdescended a vertical distance of 5.00 m, her brother, who isinitially at rest, hops on her back and together they continue downthe hill. What is their speed at the bottom of the hill if thetotal vertical drop is 20.5 m? Gayle's mass is 50.0 kg, the sledhas a mass of 5.00 kg and her brother has a mass of 30.0 kg.
m/s
Collen VonLv2
10 Feb 2019
