If a bar is used as a first class lever and the fulcrum is
If a bar is used as a first class lever and the fulcrum is 15 inches from the load and48 inches from the applied effort, how much effort is requird to raise a load of 240 pounds
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the mass density of crystalline carbon diamond is 350times103kgm3 calculate the number density of carbon atoms per
in intergalactic space there is an average of one hydrogenmolecule per cm3 and the temperature is 3k calculate the
a skydiver of mass m jumps from an aircraft at an altitude of hmetres with an initial speed of 0 ms she opens her
which one of the following statements regarding internal energy isfalsea the internal energy of a system includes the
if a bar is used as a first class lever and the fulcrum is 15 inches from the load and48nbsp inches from the applied
true or falset f a if you increase the moment of inertia of aratating object subjected to a constant torque you will
one horsepower 1 hp is the unit of power based on thework that a horse can do in one second this is defined in
two blocks are pressed together compressing a spring the system is then released from rest on a level frictionless
a long straight conducting rod orwire carries a linear charge densitylambdaof 20mucm this rod is totally enclosed
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