Pre-Ap Physics

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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

  • Pre-Ap Physics -

    find the time in air from
    hf=ho+veloctyverticalinitial*t-4.9t^2

    now, knowing time in air,
    distance=horizontalvelocityinitial*timeinair

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