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QUESTION
A cannonball is fired with initial speed v0 at an angle 30 above the horizontal from a height of 38.0 m above the ground. The projectile strikes the...
A cannonball is fired with initial speed v0 at an angle 30° above the horizontal from a height of 38.0 m above the ground. The projectile strikes the ground with a speed of 1.3v0. Find v0. (Ignore any effects due to air resistance.)
