Consider a simple pendulum with known mass m and unknown length I and charge q. Assume that you can measure time, but charge, cannot. You want to find an expression for q by measuring periods for the cases where electric field E switched off (To) and on (TE). For this purpose, c) Consider you have measured TE. Find q in terms of To, TE and other quantities. +q

College Physics
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Chapter1: Units, Trigonometry. And Vectors
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Consider a simple pendulum with known mass m and unknown
length I and charge q. Assume that you can measure time, but
charge, cannot. You want to find an expression for q by
measuring periods for the cases where electric field E switched
off (To) and on (TE). For this purpose,
c) Consider you have measured Tg. Find q in terms of To, TE
and other quantities.
1 c) Question 1 part c (third part of question 1)
q
Option 1
q
(To+TE)g
4π²
(7/17-¹1)
E
mg T2
O Option 4
E
mg
q = (T) (1²)
TE
(+q
9:
mg
=/(7/4-1)
(−1)
E
Transcribed Image Text:Consider a simple pendulum with known mass m and unknown length I and charge q. Assume that you can measure time, but charge, cannot. You want to find an expression for q by measuring periods for the cases where electric field E switched off (To) and on (TE). For this purpose, c) Consider you have measured Tg. Find q in terms of To, TE and other quantities. 1 c) Question 1 part c (third part of question 1) q Option 1 q (To+TE)g 4π² (7/17-¹1) E mg T2 O Option 4 E mg q = (T) (1²) TE (+q 9: mg =/(7/4-1) (−1) E
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