Homework Help: physics

Posted by Anonymous on Friday, May 25, 2012 at 11:47am.

A bicyclist moving at a constant speed takes 10.0 seconds to travel 500 meters down a path inclined 30.0° downward from the horizontal. What is the vertical velocity of this motion?Select one of the options below as your answer: A. 18.3 meters/second B. 43.3 meters/second C. 25.0 meters/second D. 28.9 meters/second E. 32.1 meters/second

physics - Elena, Friday, May 25, 2012 at 2:43pm
v =s/t =500/10 =50 m/s.
v(y) = v•sinα = 50•sin30º = 25 m/s

C. 25.0 meters/second

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