James is 13.0 m away from the 3 m long fence. John
want to send ball his little friend a dog named Travis behind the
fence. The ground is level, and the thickness of the fence is
neglected. John throw the ball 1.60 m above the ground and there is
a 40 degree angle with the ground.
What must be the minimum initial velocity so that the
ball can pass the fence with no interruption
Answer
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