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OpenStudy (anonymous):
A punter goofs and punts the football straight up. The hang time (total time in the air) is 4.00 s. (a) What height does the ball reach? (b) What initial velocity in miles per hour does the ball have?
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OpenStudy (anonymous):
a is 19.6m so I got that
OpenStudy (shamim):
U know ur ball will go up by 2sec nd it will come down by another 2 sec. Total 4 sec of flight in the air
OpenStudy (shamim):
U hv to use the formula is h=ut-(1/2)*gt^2
OpenStudy (shamim):
Put h=0 nd t=4sec u=?
OpenStudy (shamim):
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