Question
A 85 kg ski jumper starts his jump from the top of a 110 m high hill. She/he slides down the hill and up a
A 85 kg ski jumper starts his jump from the top of a 110 m high hill. She/he slides down the hill and up a jump board that is inclined at 47 and is 32 m high and reaches a speed of 102 km/h at the end of the board.
What is the ski jumper’s kinetic energy at the end of the board?
What would be her/his kinetic energy in the absence of friction?
What is the work lost in friction during the descent?
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Physics
Authors: David Young, Shane Stadler
10th edition
1118486897, 978-1118836873, 1118836871, 978-1118899205, 1118899202, 978-1118486894
