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September 21, 2014

September 21, 2014

Posted by **Kayla** on Friday, January 20, 2012 at 9:27pm.

(a) Determine the magnitude of her acceleration, assumed to be constant.

- Physics -
**drwls**, Saturday, January 21, 2012 at 8:24amV = sqrt(2 a X) applies when the starting velocity is zero. , therefore

a = V^2/(2 X)= 1.664 m/s^2

Here's how you can derive it (if you can't remember it).

Average velocity = V/2

Time T = X/(V/2) = 2 X/V

Acceleration a = V/T = V^2/(2 X)

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