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October 25, 2014

Homework Help: Pre-Ap Physics

Posted by Maria on Monday, September 24, 2012 at 4:06pm.

During World War I, the Germans had a gun
called Big Bertha that was used to shell Paris.
The shell had an initial speed of 2.65 km/s at
an initial inclination of 41.9◦ to the horizontal.
The acceleration of gravity is 9.8 m/s
2
.
How far away did the shell hit?
Answer in units of km

Part 2 of 2
How long was it in the air?
Answer in units of s

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