1. A plastic rod that has been charged to -5 nC touches a metal sphere. Afterwar

Question

1. A plastic rod that has been charged to -5 nC touches a metal sphere. Afterward, the rod's charge is -8 nC.
(a) What kind of charged particle was transferred between the rod and the sphere, and in which direction?
A.electrons transferred from rod to sphere electrons
B.transferred from sphere to rod
C.protons transferred from rod to sphere protons transferred from sphere to rod


(b) How many charged particles were transferred?

2. A small glass bead has been charged to +17 nC. A metal ball bearing 1.0 cm above the bead feels a 0.025 N downward electric force. What is the charge on the ball bearing?
_________nC

3. Two 1.2 g spheres are charged equally and placed 1.6 cm apart. When released, each begins to accelerate at 250 m/s2. What is the magnitude of the charge on each sphere?
________ C

4.

Explanation / Answer

1 . B. b) 1.875 x 10^10

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