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station kaim in hawaii broadcasts on the am dial at 870 khz with a maximum power of 50000 w at maximum power how many
x rays diffract from a crystal in which the spacing between atomic planes is 0188 nm the second-order diffraction
a 4 kg mass is connected to a spring k 730 nm platform which undergoes simple harmonic motion in the vertical
consider two thin ideal conducting wires of radius a centered on r d200 and r d2 0 0 parallel to the z axis and
two identical conducting spheres each having a radius of 0500 cm are connected by a light 200-m-long conducting wire a
the earths magnetic field with a magnetic dipole moment of 80times1022 am2 is generated by currents within the molten
a circuit consists of a battery with a closed circuit a terminal voltage of 120 v and 10- 25- 55- and 70- resistors
a certain species of ionized atoms produces an emission line spectrum according to the bohr model but the number of
a mass-spring system has k544 nm and m0465kgpart a find the frequency of its simple harmonic motion express your answer
consider an h-like atom in the quantum mechanical description how many electrons fit into the n4 shell of this atom
you have a 16 m long copper wire you want to make an n-turn current loop that generates a 13 mt magnetic field at the
a circular roller coaster has radius 30 m the speed at the bottom is 370 ms a 50 kg girl is sitting on a scale what
although the evidence is weak there has been concern in recent years over possible health effects from the magnetic
a 182 kg solid sphere radius 0140 m is released from rest at the top of a ramp and allowed to roll without slipping
the most common dissipation process is friction but you cannot obtain an analytic solution for the harmonic oscillator
a block of mass 078 kg is suspended by a string which is wrapped so that it is at a radius of 0069 m from the center of
a hungry 650 -n bear walks out on a beam in an attempt to retrieve some goodies hanging at the end fig p820 the beam is
suppose i mis-measure the apparent ux from a galaxy by 10 and that irsquom using the tully-fisher relationship to
if aliens were to drop an asteroid of a mass 1014 kg from about the radius of the moons orbit 384000km how much kinetic
a students car stalls right in front of a speed bump while she is on her way to physics class to pull it over the bump
a constant force of 20 n is applied to an object of mass 75 kg at an angle of 22 degrees above the horizontal causing a
is it correct to say the difference in the patterns produced by monochromatic and white light is caused by the fact
a block of 44 kg is held at the top of a smooth incline the incline has height of 21 m and is at an angle of 19 degrees
when you walk past an open door of a room in your house in which a person is speaking you can hear the person long
part a-power lines carry electricity at about 120000 volts if a power line were stepped down by a transformer to 120