Posted by **Noah** on Sunday, September 2, 2012 at 1:57am.

The shell’s trajectory curves downward because of gravity, so at the time t = 0.217 s

the shell is below the straight line by some

vertical distance ∆h.

Find this distance ∆h in the absence of

air resistance. The acceleration of gravity is

9.8 m/s

2

.

Answer in units of m

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