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two loudspeakers are placed on a wall 300 m apart a listener stands 400 m from the wall directly in front of one of the
through an adiabatic process the temperature of 392 moles of a monatomic ideal gas drops from 485 to 205 degrees
a pendulum consists of a mass less rigid rod with a mass at one end the other end is pivoted on a frictionless pivot so
1 how far does light travel in one year this distance is known as a light-year and is utilized in measuring
a 36-efficient electric power plant produces 900 mw of electric power and discharges waste heat into 20circc ocean
at a certain location the horizontal component of the earths magnetic field is 23010-5 t due north a proton moves
a charge is moving perpendicular to a magnetic field and experiencesnbspa force whose magnitude is 29110-3 n if this
light from a laser strikes a diffraction grating that has 6000 groves per centimetre the distance between the central
when a charged particle moves at an angle of 11deg with respect to a magnetic field it experiences a magnetic force of
an athlete swings a 360 kg ball horizontally on the end of a rope the ball moves in a circle of radius 0790 m at an
light of wavelength 600 nm in air is incident on the surface of a block of plastic at an angle of 627 degrees to the
a wire 200 m long carries a current of100 a and makes an angle of 350deg with a uniform magnetic field of magnitude b
a tube of glowing gas emits light at 550nm and 400 nm in a double-slit apparatus what is the lowest order 550 nm bright
with two slits separated by 039 mm the interference pattern has bright fringes by angular spacing0075deg what is the
a 0100 kg block is suspended from a spring when a small pebble of mass 40 gis placed on the block the spring stretches
the index of refraction for a diamond for red light of wavelength 652 nm is 235 while that for blue light of wavelength
a proton traveling at 190deg with respect to a magnetic field of strength 270 mt experiences a magnetic force of
an electric field of 142 kvm and a magnetic field of 0386 t act on a moving electron to produce no net force if the
two campers carry their gear 907kg on a light rigid horizontal pole whose ends they support on their shoulders 183m
in a certain cyclotron a proton moves in a circle of radius0700 m the magnitude of the magnetic field is 140 ta what is
an electron with kinetic energy 150 kev circles in a plane perpendicular to a uniform magnetic field the orbit radius
the activity of a radioisotope is found to decrease by 30 in 1 weeknbsp what are the values of its decay constant
while driving at a constant speed of 66 kmh you are passed with a car traveling at120 kmh the frequency of light
ultrafast high power laserone of the highest power lasers in the world sits on a table in the general research lab
television broadcast antennaa television broadcast antenna is located at the top of a steep tall mountain the