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objects of equal mass are oscillating up and down in simple harmonic motion on two different vertical springs the
a 120-kg block rests on a horizontal table and is attached to one end of a massless horizontal spring by pulling
an infinitely long cylinder has a circular cross section of radius a and its axis along the z axis a steady current i
a wood- sphere of radius 10 cm has a core of lead also in the shape of a sphere the wood sphere when placed in water
as you stand by a railroad track a train passes with its whistle blowing as it passes you hear a frequency shift
a transverse harmonic wave travels on a rope according to the following expression yxt 013sin26x 174t the mass
a ywheel in the form of a heavy circular disk of diame- ter 0600 m and mass 200 kg is mounted on a friction-less
an airplane undergoes the following displacements first it flies 71 km in a direction 30deg east of north next it flies
1 a piece of charcoal used for cooking is found at the remains of an ancient campsite a 073 kg sample of carbon from
a disk of radius 02m and moment of inertia 15 kgm2 is mounted on a nearly frictionless axle a string is wrapped
a wave pulse travels down a slinky the mass of the slinky is m 088 kg and is initially stretched to a length l 73 m
1 how much more light does one collect with a 4-meter diameter telescope in 05 minutes than with a 05-meter diameter
a bullet is moving at a speed of 410 ms when it embeds into a lump of moist clay the bullet penetrates for a distance
a spaceship is emitting 500-nm light and traveling toward us at 10 the speed of light we detect a radio waves b 450-nm
an asteroid passes earth over its equator pictures are taken of it from earths north and south poles simultaneously
radioactive isotopes often occur together in mixtures suppose a 290g sample contains 131ba with a half-life of 12
a box of wood has a vertical projection of 6 inches when placed in water and 4 inches when placed in alcohol if the
consider the situation where you moved the magnet back and forth in the coil in periodic fashion thus inducing a
a test charge is placed at a distance of 25 times 10-2 meters from a charge of 64 times 10-5 coulombs what is the
is there an equation that takes all of the information given below into account a horizontal platform in the shape of a
1 when active and adaptive optics are in use uncs 41-meter diameter soar telescope will be able to resolve 2-micron
a stainless-steel orthodontic wire is applied to a tooth that is out of line by 39 the wire has an unstretched length
2750 g of lead at 120 degrees c is added to 150 kg of 85 degrees c water the heat of vaporization for water is 226 x
the motion of a particle is given by xt 25cmcos15t where t is in s at what time is the kinetic energy twice the
a 30-kg particle has a position vector given by r20t2i30j where r is in meters and t is in seconds what is the angular