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Two small nonconducting spheres have a total charge of 90.0.
(a) When placed 1.14 apart, the force each exerts on the other is 11.8 and is repulsive. What is the charge on each?
(b) What if the force were attractive?
A car accelerates uniformly from rest and covers a distance of 71 m in 5.6 s. If the diameter of a tire is 42 cm, Find total number of rotations of the wheel
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An insulating sphere has a total excess charge Q distributed uniformly throughout the shere. Use Gauss's Law to calculate the electric field inside the sphere at a distance r
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q1. a 2.5g copper penny is given a charge of -0.50 mc.how many excess electrons make up this charge?what is the
Consider a group of 20 molecules with the following speeds: three have speed 1 m/s, Determine the rms speed (in m/s) of the molecules in this group at this instant in time
A 130 kg crate is pushed at constant speed up the frictionless 28° ramp. What force is exerted by the ramp on the crate
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