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May 29, 2015

Homework Help: physics

Posted by teal on Sunday, December 19, 2010 at 6:02pm.

A meter stick is held vertically with one end on the floor and is then allowed to fall. Find the speed of the other end when it hits the floor, assuming that the end on the floor does not slip. (Hint: Consider the stick to be a thin rod and use the conservation of energy principle.)


mgh=.5mv^2
1/gh=2/v^2
v=sqrt(2gh)

where g is gravity (9.8)
h is hieght of meter stick (1 meter)
m is mass

why is this wrong??

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