My Math Forum Slope acceleration problem

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 September 27th, 2013, 06:43 PM #1 Senior Member   Joined: Sep 2012 From: British Columbia, Canada Posts: 764 Thanks: 53 Slope acceleration problem A coin slides down a ramp angled at 30? with respect to the horizontal. If the coin starts from rest, what is its speed in m/s after sliding 1 m?
 September 30th, 2013, 06:40 PM #2 Senior Member     Joined: Jul 2012 From: DFW Area Posts: 635 Thanks: 96 Math Focus: Electrical Engineering Applications Re: Slope acceleration problem Hi [color=#0000BF]eddybob123[/color], I assume that friction is ignored. Since a slide of 1m drops 0.5m due to the 30 degree slope, the speed is: $\text{speed}=\sqrt{2 \cdot g \cdot h}=\sqrt{2 \cdot 9.8 \frac{\text{m}}{\text{s^2}} \cdot 0.5 \text{m}} \ \approx \ 3.13 \ \frac{\text{m}}{\text{s}}$ I can show the derivation if desired.

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