starlodgb7223 starlodgb7223
  • 04-02-2018
  • Physics
contestada

A 56 kg skier starts from rest at the top of a 1200-m-long trail which drops a total of 170 m from top to bottom. at the bottom, the skier is moving 13.0 m/s .

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Zerø818
Zerø818 Zerø818
  • 08-02-2018
the skier used 9520 joules getting down the hill. each second he used up 732.3076923077 joules.
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