Posted by emily on Monday, October 11, 2010 at 5:58pm.
A car drives straight off the edge of a cliff that is 56 m high. The police at the scene of the accident note that the point of impact is 129 m from the base of the cliff. How fast was the car traveling when it went over the cliff?

physics  bobpursley, Monday, October 11, 2010 at 5:59pm
how long does it take the car to fall 56m?
what velocity does it take to go 129m/that time?

physics  Shane, Tuesday, June 30, 2015 at 1:56pm
1. 5.714 seconds
2. 50.5mph, 81.27kph, or 22.576mps

physics  Shane, Tuesday, June 30, 2015 at 1:56pm
1. 5.714 seconds
2. 50.5mph, 81.27kph, or 22.576mps (meters per second)

physics  Shane, Tuesday, June 30, 2015 at 2:19pm
Wait disregard that  I am such an idiot right now. (I can't erase the former comments)
1. 3.379 seconds
2. 85.549mph, 137.678kmph, or 38.244mps (meters per second)
I was a little braindead before and miscalculated the projection formula by not doubling the gravitational free fall factor with each passing second.
NOTE: this does not count the concepts of mass vs wind resistance  just a simple projection calculation.
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