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a bucket with a mass of 30 kilogram is suspended by a rope that is wrapped around a cylinder the cylinder has a mass of
tarzan who weighs 670 newton swings from a cliff at the end of a convenient vine that is 18 meter long from the top of
a broad source of light lambda589 nanometer illuminates normally two glass plates 12 centimeter long hat touch at one
if the torque required to loosen a nut that is holding a flat tire in place on a vehicle has a magnitude of 400 nbullm
a meter stick is found to balance at the 497 centimeter mark when located on a fulcrum when a 520 g mass is attached at
a potters wheel having a radius 049 meter and a moment of inertia 128 kgbullm2 is rotating freely at 51 revmin the
a 235 kilogram merry-go-round in the shape of a uniform solid horizontal disk of radius 150 meter is set in motion by
green laser light lambda532 nanometer falls on a double slit of separation 2 millimeter a thin lens f1m is located near
a series circuit contains a 500pi-h inductor a500pi-muf capacitor and a 300 ohm resistor connected to a 120 volt rms
a window is coated with a thin film of mgf2 n138 determine how thick a coating is needed to produce minimum reflection
the slidey skull the slidey skull consists of a 48 kilogram skull attached to a 75 nm spring that slides back and forth
a possible means for making an airplane invisible to radar is to coat the plane with an antireflective polymer if radar
an elevator cab that weighs 277 kn moves upwarda evaluate what the tension in the cable if the cabs speed is increasing
a two-stage rocket moves in space at a constant velocity of 5050 ms the two stages are then separated by a small
in a football game a receiver is standing still having just caught a pass before he can move a tackler running at a
a civil engineer wishes to redesign a curved roadway in such a way that a car will not have to rely on friction to
a man brings to work a 57 kilogram box of books by the time he reaches the ramp outside of his office he attaches a
a boat moves through the water with two forces acting on it one is a 2170 newton forward push by the motor and the
in a plane radio wave the amplitude of the electric field vector is 100 vma compute the amplitude of the magnetic field
a determine how fast must a 20 kilogram mass move to have a kinetic energy of 90 joule does the kinetic energy of the
during the power stroke in a four-stroke automobile engine the piston is forced down as the mixture of combustion
when responding to sound the human eardrum vibrates about its equilibrium position assume an eardrum is vibrating with
a boat moves through the water with two forces acting on it one is a 2170 newton forward push by a motor and the other
a ball player hits a home run and the baseball clears a wall 800 m high located 1401 m from home plate the ball is hit
a 56 kilogram rock with a volume of 21 l is completely submerged in water the density of water is 1 kgla evaluate what