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pacesetter1
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Homework Statement
(b) A power hungry megalomaniac obtains mortar bomb capability. The device could fire 120.5kg mortar shells a maximum distance of 5321m when projected at 45° to the horizontal. What would the velocity of the shell be as it left the muzzle of the device?
(c) What was the maximum height reached by the shell?
Homework Equations
S=Ut + 1/2at^2
v^2=u^2 +2as
v=u+at
where s=distance, u=initial velocity, a= acceleration and t=time
The Attempt at a Solution
t=16.4s
u=229m/s
maximum height=1338m
Can anyone help me check if the solution is right. Thks