Homework Help: physics

Posted by Aaron on Friday, August 10, 2012 at 1:03am.

In a stunt for a movie, a remote controlled car is driven horizontally of the edge of a cliff at a speed of 35m/s. The car hits the ground 85m from the base of the cliff. How high is the cliff?

physics - drwls, Friday, August 10, 2012 at 2:37am
The car is in the air for a time
t = 85/35 = 2.429 seconds

The cliff height is how far the car falls during that time. Calculate it with:

h = (g/2)*t^2

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