A ball is thrown straight upward and returns to the thrower's hand after 2.30 s in...
A ball is thrown straight upward and returns to the thrower's hand after 2.30 s in the air. A second ball is thrown at an angle of 39.0° with the horizontal. At what speed must the second ball be thrown so that it reaches the same height as the one thrown vertically?
Homework Answers
Concept - use equation of kinematics to find
the maximum height for the first ball and use that to find the
required speed for the second one as shown below
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