Gayle runs at a speed of 4.00 m/s and dives on a sled, initially
atrest on the top of a fricti...
![subject](/tpl/images/cats/fizika.png)
Physics, 09.01.2020 05:31 martdrea13
Gayle runs at a speed of 4.00 m/s and dives on a sled, initially
atrest on the top of a frictionless, snow-covered hill. aftershe
has descended a vertical distance of 5.00m, her brother, who
isinitially at rest, hops on her back, and they continue down
thehill together.
gayle's mass is 50.0kg, the sled's mass is 5.00kg and her
brotherhas a mass of 30.0kg.
what is their speed at the bottom of the hill if the total
verticaldrop is 15.0m?
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Answers: 1
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