How far from the base of the cliff will the lemming land

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Q. Two identical positive charges exert a repulsive force of 6.6 10-9 N when separated by a distance of 5.4 10-10 m. what is the charge of each?

Q. A 400g lemming waddles horizontally off a small 4.9m high cliff with a horizontal velocity of 0.5m/s.

a. How far from the base of the cliff will the lemming land?
b. What will be the lemming's speed just before landing?
c. What is the lemming's kinetic energy just before landing?

Reference no: EM1348467

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