A ski jumper (m = 70 kg) has a speed of 40.0 m/s at the bottom of a ramp. She has a speed of 39.4 m/s when she leaves contact with the top of the ramp. The ramp is 8 m long and tipped at an angle of 15° with respect to the horizontal. What is the force of friction between the skis and the snow on the ramp? Please show your work. After 8 m Before 15 After leaving the ramp in the above scenario, if the skier were to reach the ground at the same height as she started at the bottom of the ramp, how would you compare her landing speed with her starting speed?

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A ski jumper (m = 70 kg) has a speed of 40.0 m/s at the bottom of a ramp. She has a speed of
39.4 m/s when she leaves contact with the top of the ramp. The ramp is 8 m long and tipped
at an angle of 15° with respect to the horizontal. What is the force of friction between the skis
and the snow on the ramp? Please show your work.
After
8 m
15
Before
After leaving the ramp in the above scenario, if the skier were to reach the ground at the
same height as she started at the bottom of the ramp, how would you compare her landing
speed with her starting speed?
Transcribed Image Text:A ski jumper (m = 70 kg) has a speed of 40.0 m/s at the bottom of a ramp. She has a speed of 39.4 m/s when she leaves contact with the top of the ramp. The ramp is 8 m long and tipped at an angle of 15° with respect to the horizontal. What is the force of friction between the skis and the snow on the ramp? Please show your work. After 8 m 15 Before After leaving the ramp in the above scenario, if the skier were to reach the ground at the same height as she started at the bottom of the ramp, how would you compare her landing speed with her starting speed?
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