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Question 1 (33.4 points)

 

Assume that the length of a string holding the

suspended sphere (s) is 30cm long. A guided sphere (g) is brought close to sphere s and they touch. Then sphere s is repelled by sphere g a distance of 1 cm from equilibrium. What is the electrosatic repulsion between the spheres? Assume: m*g=6.5x10^-4 N.

Question 1 options:


6.5x10^-6N


0.0195N


2.17x10^-5N


None of the above

Question 2 (33.3 points)

 

Assuming the answer from the previous question is 2.17x10^-5N the charge on both spheres (combined) from the previous question AFTER they touch and then move away from each other with a separation of 0.5cm between them?

Question 2 options:


1.09x10^-7C


1.21x10^-17C


6.04x10^-20C


None of the above.

Question 3 (33.3 points)

 

Using the answer from the previous question what is the charge on each spheres AFTER they touch?

Question 3 options:


4.10x10^-15C


3.02x10^-20C


1.03x10^-15C


None of the above

Top Answer

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