If a third charge of 5 is now placed at the point 3.00 , Ask an Expert

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Q. A charge of 3.0 is placed at the origin of a xy-coordinate system, and a charge of 2 is placed on the axis at = 4.0.

If a third charge, of 5, is now placed at the point = 3.00, = 4.00 find the components of the total force exerted on this charge by other two charges.

Q. A railroad diesel engine weighs four times as much as a freight car. If the diesel engine coasts at 5.0 km/h into a freight car that is at rest, how fast do two coasts after they couple?

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