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Two thin hollow plastic spheres, about the size of a ping-pong ball with masses (m1=m2= 0.005...

Two thin hollow plastic spheres, about the size of a ping-pong ball with masses (m1=m2= 0.005 kg) have been rubbed with wool. Sphere 1 has a charge q1= -8 × 10-9 C and is at location < 0.24, -0.2, 0 > m. Sphere 2 has a charge q2= -8 × 10-9 C and is at location < -0.36, 0.35, 0> m. It will be useful to draw a diagram of the situation, including the relevant vectors.

(i) If the two masses were 4 times farther away (that is, if the distance between the masses were 4 ×|r→|), what would be the ratio of the magnitude of the electric force to the magnitude of the gravitational force now?

|F electric| / |F gravity| = ???

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