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posted by  palinerd on 10/2/2007 9:34:03 PM  |  status: Live  

Ch.3, #26 pleaaaaaaaaaaaaaaaaaaase help me u guys r the nicest

Course Textbook Chapter Problem
Calculus Based Physics Physics (7th) by Cutnell, Johnson 3 51P
Question Details:
A quarterback claims that he can throw the football a horizontal distance of 183m. Furthemore, he claims tha the can do this by launching the ball at the relatively low angle of 30.0 degrees above the horizontal. to evaluate this claim, determine the speed with which this quatrerback must throw the ball. assume that the ball is launched and caught at the same vertical level and that air resistance can be ignored. For comparison, a baseball pitcher who can accurately throw a fastball at 45 m?s would be considered exceptional

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posted by Gorilla :) on 10/2/2007 11:33:54 PM  |  status: Live
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palinerd's comment:
"thanks ur the best lol"
Response Details:
range =vo^2sin2θ/g
vo^2=183*9.8/sin 60degrees
vo^2=2070.9
vo=sqare root of vo^2
vo=45.507m/s is your answer!

rate well please!
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