A 300kg elevator is raised with a constant speed during a
A 300kg elevator is raised with a constant speed during a vertical distance of 100m in two minutes. What is the useful output power of the hoist?
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a horizontal force of magnitude 35n pushes a block of mass 40 kg across a floor where the coefficient of kinetic
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a child starts from rest at the top of a spiral water slide suppose the slide is frictionless and the top is 85m above
a 400g rubber ball is dropped a vertical distance of 12m it remains in contact by the pavement for 01 sec and rebounds
a 300kg elevator is raised with a constant speed during a vertical distance of 100m in two minutes what is the useful
initially there are 610 power 9 radioactive of element w decay constant 0173day in a sample as a nucleus of w decays it
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one end of a cord is fixed and a small 0500-kg object is attached to the other end where it swings in a section of a
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