Homework Help: Physics

Posted by Alex on Tuesday, December 21, 2010 at 8:29pm.

On a recent trip to a water park, you notice there is a new slide that you ride down a steep hill, then it carries you back up another ramp and shoots you into a pool. All the kids around you are saying that you leave the ramp at 50 m/s. If the initial height of the slide is 100 m/s and the ramp height is 10m do you really get projected into the air at 50m/s?

Physics - Damon, Tuesday, December 21, 2010 at 8:34pm
you fall 100-10 = 90 meters
m g h = 90*9.8 m = about 900 m

(1/2) m v^2 = 900 m

v^2 = 1800

v = about 43 m/s so less than 50 but not terribly far off

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