aflacatn
2021-02-25
When your opponent is close to the net, the lob is a good tennis strategy. By hoisting the ball over his head, you can make him sprint away from the goal. Assume you loft the ball at a 50.0-degree angle above the horizontal with an initial speed of 15.0 meters per second. Your opponent is currently 10.0 meters away from the ball.
Khribechy
Skilled2021-02-26Added 100 answers
The components of the velocity are
This Quadractic equation in t, is solved for the values of t
as the opponent begins to move only after 0.3s later, we taket = 2.15s
Therefore, he catches the ball at time t'=(2.15-0.3)s
The total horizontal distance
The value of ' x ' is calculated.
Thus the required speed of the opponent
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