Question

A ball is thrown straight upward and returns to the thrower's hand after 2.80 s in...

A ball is thrown straight upward and returns to the thrower's hand after 2.80 s in the air. A second ball thrown at an angle of 43.0° with the horizontal reaches the same maximum height as the first ball.

(a) At what speed was the first ball thrown?
m/s

(b) At what speed was the second ball thrown?
m/s

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Answer #2

Answer :

(a) 13.72 m/s

(b) 20.117 m/s

answered by: anonymous
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