PHYSICS

WORKER ARE LOADING EQUIPMENT INTO A FREIGHT ELEVATOR AT THE TOP FLOOR OF A BUILDING HOWEVER THEY OVERLOAD THE ELEVATORAND THE WORN CABLE SNAPS THE MASS OF THE LOADED ELEVATOR AT THE TIME OF THE ACCIDENT IS 1600KG..AS THE ELEVATOR FALLS,THE GUIDE RAILS EXCERT A CONSTANT RETARDING FORCE OF 3700N ON THE ELEVATOR. AT WHAT SPEED DOES THE ELEVATOR HIT THE BOTOM OF THE SHAFT 72m BELOW?

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asked by WASEEM

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