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a ladder is leaning against a wall by negligible friction it is at an angle of 70 degrees to the horizontal has a mass
a large heavy solid disk is mounted to a table by a firm clamp a string is wound about an axle on the wheel from which
pigeons have multiple-domain magnetite magnets their skulls that are connected during a large number of nerves to the
if a flat rectangular conductor 35 cm long has a mass of 51 g and lies at right angles to a uniform magnetic field of
the filament in an incandescent light bulb is made from tungsten the light bulb is plugged into a120 v outlet and draws
the raised span of a drawbridge has its mass of 11000kg distributed uniformly over its 14m length discover the
a gyroscope consists of a solid disk of radius r 10cm mounted in the center of a shaft whose length l 32cm one end of
5 kg mass attached to a spring which it compresses and stretches a max distance of 10cm frequency is 10hz discover
a luminous disk of diameter 2 cm is places 08m to the left of a flat screen a converging lens is places among the disk
a battery with emf 900nbspvoltnbsphas internal resistancenbsprbnbsp 950nbspohma determine what is the
a boy places a picnic basket on the outer rim of a merry-go-round that has a radius of 63 meter and revolves once every
a car is traveling at 500 mih on a horizontal highwaya if the coefficient of static friction between tires and road on
a race car accelerates uniformly as it leaves the pit area going from rest to 330 kmh in a semi circular arc with a
a physics teacher does the following emf demonstration she has two students hold a long wire connected to a voltmeter
a cable lifts a 990 kilogram elevator at a fix velocity for a distance of 37 meter find the work done by each of the
a shopper pushing a cart through a store moves 30nbspm south then makes a 90o turn and moves 14 m he then makes another
an ore car of mass 43000 kilogram starts from rest and rolls downhill on tracks from a mine at the end of the tracks 27
a 48 block of mass slides from rest down a frictionless 301o incline and is halted by a powerful spring with a spring
a quarterback takes the ball from the line of scrimmage runs backwards for 15 yds then runs sideways parallel to the
a 011 kilogram block of mass is laid on a vertical spring of constant 7008 nm and shoved downward compressing the
a 450 kilogram girl is standing on a 159 kilogram plank the plank originally at rest is free to slide on a frozen lake
a 755 newton person stands in the middle of a frozen pond of radius 100 meter he is unable to get to the other side
a copper wire is 600 meter long and has a cross-sectional area of 100nbspxnbsp10-4 m2 this wire forms a one turn loop
consider two point particles that have charge e are at rest and are separated by 290 x 10-15 metera find how much work
describe what happens to the energy of the two waves when they interfere destructively did the energy vanish hint find