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(Solved): A rock is thrown from a height h_(0) with an initial speed v_(0) at an angle \theta above the horiz ...
A rock is thrown from a height h_(0) with an initial speed v_(0) at an angle \theta above the horizontal. Which of the
following expressions represents the time the rock takes to reach the ground after the rock is thrown?
(v_(0)sin\theta -\sqrt(v_(0)^(2)sin^(2)\theta +2gh_(0)))/(g)
(v_(0)sin\theta +\sqrt(v_(0)^(2)sin^(2)\theta +2gh_(0)))/(g)