Exercise 23.36 Charge Q 35.00uC is distributed uniformly over the volume of an i

Question

Exercise 23.36 Charge Q 35.00uC is distributed uniformly over the volume of an insulating sphere that has radius R 8.00cm A small sphere with charge q 1.00 pCand mass 6.00. x 10 kg is projected toward the center of the large sphere from an initial large distance. The large sphere is held at a fixed position and the small sphere can be treated as a point charge. Part A What minimum speed must the small sphere have in order to come within 7.00cm of the surface of the large sphere? Express your answer with the appropriate units. Value Units Submit My Answers Give

Explanation / Answer

1/2*mv^2=k*q1*q2/r
0.5*6*10^-5*v^2=(9*10^9*5*10^-6*1*10^-6)/(15*10^-2)
====>
v=100 m/sec ....is answer

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