Homework Help: physics

Posted by destinee on Monday, September 19, 2011 at 11:52pm.

A quarterback throws the football to a sta-
tionary receiver who is 26 m down the field.
The football is thrown at an initial angle of
36.5 to the ground.
The acceleration of gravity is 9.81 m/s2 .
a) At what initial speed must the quarter-
back throw the ball for it to reach the receiver?
Answer in units of m/s

physics - drwls, Tuesday, September 20, 2011 at 3:56am
range = 26 m = (Vo^2/g)*sin(2*36.5)

26 = (Vo^2/9.81)*sin73

Vo^2 = 266.7 m^2/s^2
Vo = ?

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