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Centripetal force

by kisha
Tags: centripetal, force
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kisha
#1
Apr28-12, 03:25 AM
P: 6
i am confused.i need help with this experiment.

experiment set up:


1.measure total mass M of the crocodile clip and load.(in gram)
2.measure a length L of the string from the glass tube.
3.hold the tube vertically and whirl the rubber bung around.
4.measure the time t required for the bung to complete 50 revolutions.
5.repeat step 2-3 using different L.
6.plot t^2 against L.
7.prove

how to prove by using Mg=mLω^2 and ω=2∏/T(period)?
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K^2
#2
Apr28-12, 03:34 AM
Sci Advisor
P: 2,470
Solve your equations for t(L). What is the slope of f(L)=t(L)?
kisha
#3
Apr28-12, 04:43 AM
P: 6
slope=t/L

K^2
#4
Apr28-12, 04:46 AM
Sci Advisor
P: 2,470
Centripetal force

Well, yeah, but what's t?


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