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ataglance05
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Homework Statement
A battle ship (4.09*107 kg) fires a salvo of 3 rounds from its foward turret in the direction of the bow at an angle of 10 degrees above the horizontal. Each projectile weighs 1220 kg, each barrel is 20.9 m long and the muzzle velocity (I don't know whether this is initial or final velocity) of the projectile is 770 m/sec.
What is the acceleration of each projectile in the barrel and how long does it take to travel down the barrel?
Homework Equations
Vf=Vi + a(T)
S= Vi(T) + 1/2(a)(T)^2
a= vf-vi/T
The Attempt at a Solution
no clue!
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