Projectile Motion and Finding Muzzle Speed
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A cannon is pointed at a 60 degree angle relative to a flat horizontal field. It fires a projectile with a muzzle speed of 1500 ft/s. Then, the gunners change the angle to 30 degrees, reload the cannon, and 5s later, fire. What is the required muzzle speed for the second projectile to hit the ground at the same time as the first.
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Solution Summary
Step by step solution explains how to calculate projective motion and muzzle speed.
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Solution:
Time of flight (time period between firing of the cannon and its hitting the ground) T is given by: T = 2usinθ/g
(1) where u = speed of projection (muzzle speed), θ = ...
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