Homework Help: physics. HELP PLEASE !

Posted by emily on Sunday, April 22, 2012 at 4:19pm.

An athlete executing a long jump leaves the ground at a 28.0 angle and lands 7.60m away.
part a)What was the takeoff speed?

part b) If this speed were increased by just 8.0 % , how much longer would the jump be?

i got for part a)9.48 m/s
but i need help with part b

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