Homework Help: physics

Posted by jason on Wednesday, September 22, 2010 at 12:53pm.

An athlete executing a long jumper leaves the ground at a 27.0 degree angle and travels 7.89 m. What was the takeoff speed? If this speed were increased by just 5.0%, how much longer would the jump be?

I came up with a take off speed of 27.4 but the system is saying that is the incorrect answer. Please help!!

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