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April 24, 2014

April 24, 2014

Posted by **Tally** on Thursday, August 11, 2011 at 10:00am.

- physical science 101 -
**drwls**, Thursday, August 11, 2011 at 12:22pm(a) How far can a body fall in 6 seconds? That will be the height, H, since the in initial vertical velocity component is zero.

(b) (Horizontal velocity componet) * 6 seconds

(c) Kinetic energy (1/2) M V^2 will have increased by M g H

V^2 therefore increases by 2 g H from the initial value. You don't need to know M

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