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a double-slit interference pattern has a fringe a ldquofringerdquo is an interference maximum spacing of 40 mm how far
suppose a satellite is in a circular orbit 30 earth radii above the surface of the earth 30 earth radii from the center
long-distance electric-power transmission lines always operate at very high voltage what are the advantages and
liquid-detecting prism devices may be used in a washing machine or other liquid-containing devices if no liquid covers
the radii of the wheels of a compound wheel and axle are 2cm 5cmand 10cmit is found to have an efficiency of 90 if a
two speakers are driven by a common oscillator at 800 hz and face each other at a distance of 125 m locate the points
a 15-kg mass attached to spring with a force constant of 20nm oscillates on a horizontal frictionless track at t0 the
for either type of coefficient of friction what is generally assumed about the dependence of the value of the
a 4mm diameter circular coil of 25 turns and total resistance 0001o lies in the x-y plane at a distance of 3m from a
to monitor the breathing of a hospital patient a thin belt a 200-turn coil is placed around the patients chest suppose
a 500 kg block rests on a horizontal plane a force of 100 n applied horizontally causes the block to move horizontally
a mass is oscillating on a spring with a period of 460 s at t0 s the mass has zero speed and is at x830cma what is the
if a cellrsquos membrane thickness doubles but the cell stays the same size how do the resistance and the capacitance
a police officer is waiting near an intersection he sees a truck running a red light the truck is traveling with a
a civil engineer is asked to design a curved section of roadway that meets the following conditions with ice on the
two forces are applied to a tree stump to pull it out of the ground force fa has a magnitude of 2240 newtons and points
a light pipe consists of a central strand of material surrounded by an outer coating the interior portion of the pipe
a projectile fired from a gun has initial horizontal and vertical components of velocity equal to 30 ms and 40 ms
the ends of a cylindrical steel rod are maintained at two different temperatures the rod conducts heat from one end to
light of wavelength 650 nm is incident above at an angle of 90 upon a glass plate as shown below the glass plate rests
acharge moves a distance of 21 cm in the direction of a uniform electric field having a magnitude of 220 nc the
a 5kg mass starts from rest and slides down on an inclined plane hits a bumper at the bottom of the inclined plane and
the radius of the moon is 174 x 106 m the radius of the sun is 696 x 108 m the average moon-earth distance is 384 x
a golf ball is driven from a level fairway at a time of 532 s later the ball is traveling downward with a velocity of