Louri Podladtchikov from Switzerland won won the gold medal of Sochi winter Olympics for halfpipe snowboarding.
Assume that the pipe has a radius of 15m and Louri reaches a maximum height of 3m above the edge of the halfpipe.
If Louri has a mass of 60kg, find:
i) Louri’s maximum speed,
ii)the amount of reaction force from the halfpipe at the time of maximum speed.