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1 a) Question 1 part a (first part of question 1) 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, a) Electric field is off. Consider you have measured To, i.e. you know its numerical value. Find I in terms of To and g. I' +q

1 a) Question 1 part a (first part of question 1) 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, a) Electric field is off. Consider you have measured To, i.e. you know its numerical value. Find I in terms of To and g. I' +q

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1 a) Question 1 part a (first part of question 1) 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, a) Electric field is off. Consider you have measured To, i.e. you know its numerical value. Find I in terms of To and g. b) Electric field is switched on. Write the electric force on the charge F and find the downward acceleration (a). Do not forget to consider the directions; c) Consider you have measured TE. Find q in terms of TO, TE and other quantities. 1 Option 3 g 41²To 1 = Tog 4π² 1 Option 2 = 1 = T2 g 4π² g² 4π2Το (+q
Transcribed Image Text:1 a) Question 1 part a (first part of question 1) 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, a) Electric field is off. Consider you have measured To, i.e. you know its numerical value. Find I in terms of To and g. b) Electric field is switched on. Write the electric force on the charge F and find the downward acceleration (a). Do not forget to consider the directions; c) Consider you have measured TE. Find q in terms of TO, TE and other quantities. 1 Option 3 g 41²To 1 = Tog 4π² 1 Option 2 = 1 = T2 g 4π² g² 4π2Το (+q
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