Tuesday, December 6, 2011

Relativity?

A motorcyclist is riding through a shower of rain that is coming down vertically. The rider's speed is 72km/h and it appears to him that the rain is driving into him at an angle of arctan(1/4) to the horizontal. Find the terminal speed of the raindrops in m/s.|||rain speed = riders speed * tan (angle)


= rider's speed / 4|||Yeah.

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