How long does it take for the last car

Reference no: EM1362413

Q. A train is traveling up a 4.3 degree incline at a speed of 2.30m/s when the last car breaks free and begins to coast without friction. a) How long does it take for the last car to to come to rest momentarily? b) How far did the last car travel before momentarily coming to rest?

Q. The force of repulsion that two like charges exert on each other is 4.0 N. What will the force be if the distance between the charges is increased to 6 times its original value?

Reference no: EM1362413

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