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a beam of length l and mass m rests on two pivots the first pivot is at the left end taken as the origin and the second
explain how to compute the number of moles of aluminum chloride that would be necessary to prepare 4536 grams of
a space station shaped like a giant wheel has a radius of 100 meter and a moment of inertia of 500 x 108 kgm2 a crew of
the current in a 100 mm x 100 mm square aluminum wire is 210 aa evaluate the current densityb evaluate the electron
an empty metal box with a mass of 0275 kilogram is moved along a conveyor belt at a constant speed of 134 ms before
a 490 gram coin is located 170 centimeter from the center of a turntable the coin has static and kinetic coefficients
a metal puck of mass 30 kilogram slides down curved track starting 4 meter above ground with initial velocity of vi
a block of mass m is released from rest at the top of curved frictionless ramp the block is at the left of the ramp at
a mass less spring is between a 1 kilogram mass and a 3 kilogram mass but is not attached to either mass both masses
a dropped rubber ball hits the floor with a speed of 80 ms and rebounds to a height of 025 meter determine what
a 50 kilogram driver sits in her car waiting for the traffic light to change another car hits her from behind in a head
a boxcar of length 80 meter and height 30 meter is at rest on frictionless rails inside the boxcar whose mass when
a 180 kilogram block slides on a rough horizontal surface the block hits a spring with a speed of 180 ms and compresses
at the local playground a boy on a swing has a speed of 306 ms when the swing is at its lowest point find to what
a person pushes a 140 kilogram lawn mower at constant speed with a force of 850 newton directed along the handle which
a grinding wheel in the shape of a solid disk is 0260 meter in diameter and has a mass of 250 kilogram the wheel is
a thin spherical shell of mass 0450 kilogram and diameter 0230 meter is filled with alcohol rho 806 kgm3 it is then
the energy equivalent of one gallon of gasoline is 13 times 108 joule a compact car has a mass of 836 kilogram and its
when a rattlesnake strikes its head accelerates from rest to a speed of 27 ms in 035 second assume for simplicity that
a rectangular loop with sides of length a 200 centimeter and b 410 centimeter is located near a wire that carries a
assume that the build-up of fatty tissue on the wall of an artery decreased the radius by 10 percent determine by how
in a hydraulic garage lift the small piston has a radius of 50 centimeter and the large piston has a radius of 15
a certain fm radio tuning circuit has a fixed capacitor of 870 pf determine what range of values must the inductance
a neutron in a reactor makes an elastic collision head on with a boron atom that is initially at rest the mass of the
a sample of blood is located in a centrifuge of radius 150 centimeter the mass of a red corpuscle is 30 x 10-16