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1. What is the E-field magnitude and direction 30 cm from a +2.5x10-6 C point charge?...

1. What is the E-field magnitude and direction 30 cm from a
+2.5x10-6 C point charge?

2. How many electrons were removed to make this charge?

3. What is the force this charge exerts on a -3.0x10-6 C charge of mass 50g placed 30 cm away? What is the acceleration of the -3.0x10-6 C charge?
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