A1200 kg car is approaching the hill shown in (figure 1) at 14 m/s when it suddenly runs out of gas. neglect any friction.

An uncharged nonconductive hollow sphere of radius 18.0 cm surrounds a 12.0 µc charge located at the origin of a cartesian coordinate system. a drill with a radius of 1.00 mm is aligned along the z axis, and a hole is drilled in the sphere. calculate the electric flux through the hole.

What is the mass of the same rock on the earth

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