Sunday

April 20, 2014

April 20, 2014

Posted by **David** on Thursday, April 18, 2013 at 9:13pm.

a. Use a vertical motion model to write an equation that gives the height h of the shingle t seconds after it falls.

b. When does the shingle hit the ground?

c. If the same shingle were dropped from a building that was twice as high, would it take twice as long to drop? Explain.

- Algebra -
**bobpursley**, Thursday, April 18, 2013 at 9:23pmh=hi+vi*t+1/2 g t^2

h=144+0*t+1/2 (-9.8)t^2

b. when h=0, solve for t.

c. think. T=sqrt(hi/4.9)

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