Homework Help: physics

Posted by taylor on Thursday, January 5, 2012 at 4:50pm.

when babe ruth hit a homer over the 7.5-m-high right field fence 95 m from home plate, roughly what wa the minimum speed of the ball when it left the bat? Assume the ball wa hit 1.0 m above the ground and it path initially made a 38 degree angle with the ground.

physics - Henry, Friday, January 6, 2012 at 6:55pm
Dh = Vo^2*sin(2A)/g = 95 m.
Vo^2*sin(76)/9.8 = 95,
Multiply both sides by 9.8:
Vo^2*sin(76) = 931,
Vo^2 = 931 / sin76 = 959.5,
Vo = 31 m/s.

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