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although it is uncommon orthopaedic surgeons have seen patients who have torn their biceps tendon when forces of
in a closed subway car a girl holds a helium-filled balloon by a string while the car is travelling at constant
a rod of mass m and length x is supported on a knife edge at its midpoint a ball of clay m is dropped from rest from a
a plucked guitar string produces a sound wave of frequency 440 hz1 what is the wavelength of the sound wave assume the
an object of mass 68 kg is attached to a spring of force constant 1720 nm the object is set into simple harmonic motion
a lens system consists of two lenses180 cm apart the first lens is convex converging and has a focal length of 990 cm
a playground merry-go-round of radius r 200 m has a moment of inertia i 245 kg m2 and is rotating at 90 revmin about
a stone is thrown at an angle of 30 above the horizontal from the top edge of a cliff with an initial speed of 12 ms a
a uniform electric field of 200 knc is in the x direction a positive point charge q300 mc is released from rest at the
some gliders are launched from the ground by means of a winch which quickly reels in a towing cable attached to the
part awhat is the maximum angular momentum lmax that an electron with principal quantum number n5 can havepart bcompute
a moderate wind accelerates a pebble over a horizontal xy plane with a constant acceleration at time t 0 the velocity
an experimental bicycle wheel is placed on a test stand so that it is free to turn on its axle if a constant net torque
ken and kim are skating together on a rink at 300 ms ken keeps asking kim how much she weighs annoyed kim pushes away
an electric motor can accelerate a ferris wheel of moment of inertia i 18500kgmiddotm2 from rest to 101revmin in 120s
a disk-shaped merry-go-round of radius 263 m and mass 155 kg rotates freely by an angular speed of 0712 revs a 594 kg
golden earrings and the golden ratioa popular earring design features a circular piece of gold of diameter d with a
an experiment that can be used to gauge the velocity of a bullet is to have two cardboard disks attached to a rotating
two blocks collide on a frictionless surface after the collision the blocks stick together block a has a mass m and is
to measure the speed of light fizeau used a rotating disk with equally spaced holes during which light could pass light
a 60-kg skier starts from rest from the top of a 50-m high slope if the work done by friction is -60 x 103 j what is
an earthquake can produce a seiche in a lake in which the water sloshes back and forth from end to end with remarkably
a charge of 800uc is placed at each corner of a square 100 m long on each side1 draw a map of the electric field around
a rear wheel on a formula 1 racing car has a mass of 32 kg and a radius of 042m a mechanic is rolling the wheel towards
a block slides down a frictionless plane having an inclination of theta 150 degrees the block starts from rest at the