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July 28, 2014

July 28, 2014

Posted by **Emily** on Tuesday, October 11, 2011 at 8:13pm.

(a) What is the vertical component of her acceleration?

|m/s2 (downward)

(b) How long will it take her to reach the bottom of the hill, assuming she starts from rest and accelerates uniformly, if the elevation change is 310 m?

s

- physics -
**bobpursley**, Tuesday, October 11, 2011 at 8:15pmvertical component? 3.70*sinTheta

b) distance= 310/sinTheta

distance= 1/2 a t^2 solve for t.

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