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April 18, 2015

April 18, 2015

Posted by **emily** on Tuesday, December 9, 2008 at 9:51pm.

- physics! -
**drwls**, Tuesday, December 9, 2008 at 10:20pmCalculate how far he travels horizontally before falling 2.5 meters. If the result is 4.0 m or more, he survives the jump.

The horizintal distance travelled equals the horizontal jumping velocity component (5.0 cos 15 m/s) times the time it takes to fall 2.5 m. To calculate that time, you need to take into consideration the initial vertical velocity component of 5.0 sin 15 = 1.29 m/s.

With hints, you should be able to proceed. Show your work if futher held is needed.

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