AP Physics
posted by Noah .
A quarterback throws the football to a stationary receiver who is 15.2 m down the ﬁeld.
The football is thrown at an initial angle of
42
◦
to the ground.
The acceleration of gravity is 9.81 m/s
2
.
a) At what initial speed must the quarterback throw the ball for it to reach the receiver?
Answer in units of m/s
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