Question

1. Ski Jump. A skier starts from rest at height H above the end of a ski-jump ramp (see figure below) and leaves the ramp at an angle $ heta$. a. Neglect the effects of air resistance and assume the ramp is frictionless. Applying the equations of projectile motion to the skier once she leaves the ramp, find algebraically an expression for the maximum height of this jump above the end of the ramp, $h$ in terms of $H$ and $ heta$. b. Now assume that friction and air resistance are important. (i) Label on the figure below the point or points on the skier's path where these two non-conservative forces have their maximum magnitude. (ii) Will the maximum height $h'$ of the jump still be the same as the $h$ you found in part a? Explain why or why not using your own words and/or equations.

          1. Ski Jump. A skier starts from rest at height H above the end of a ski-jump ramp (see figure below) and leaves the ramp at an angle $	heta$.
a. Neglect the effects of air resistance and assume the ramp is frictionless. Applying the equations of projectile motion to the skier once she leaves the ramp, find algebraically an expression for the maximum height of this jump above the end of the ramp, $h$ in terms of $H$ and $	heta$.
b. Now assume that friction and air resistance are important. (i) Label on the figure below the point or points on the skier's path where these two non-conservative forces have their maximum magnitude. (ii) Will the maximum height $h'$ of the jump still be the same as the $h$ you found in part a? Explain why or why not using your own words and/or equations.

1. Ski Jump. A skier starts from rest at height H above the end of a ski-jump ramp (see figure below) and leaves the ramp at an angle heta.
a. Neglect the effects of air resistance and assume the ramp is frictionless. Applying the equations of projectile motion to the skier once she leaves the ramp, find algebraically an expression for the maximum height of this jump above the end of the ramp, h in terms of H and heta.
b. Now assume that friction and air resistance are important. (i) Label on the figure below the point or points on the skier's path where these two non-conservative forces have their maximum magnitude. (ii) Will the maximum height h' of the jump still be the same as the h you found in part a? Explain why or why not using your own words and/or equations.

Added by Victoria D.

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