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a 200 cm long organ pipe is filled with air and is open at one end and closed at the other the velocity of sound in air
you plan to project an inverted image 300 cm to the right of an object you have a diverging lens with focal length -400
a diffraction grating with 600 lines per mm is illuminated with light of wavelength 520 a very wide viewing screen is
a student is reading material written on a blackboard her contact lenses have a refractive power of 5750 diopters the
a beam of light traveling in air strikes the surface of mineral oil at an angle of 178deg with the normal to the
a 98 resistor is connected in series with a 177 mh inductor and a 14 f capacitor the applied voltage has the form v
two capacitors c1 30 microf and c2 20 microf are connected in parallel and charged with a 110 v power supplya
a photon with wavelength 002680 nm strikes a free electron that is initially at rest the photon is scattered at an
a large water tank has an inlet pipe and an outlet pipe the inlet pipe has a diameter of 3 cm and is 1 m above the
a ray of light strikes the midpoint of one face of an equiangular 60deg-60deg-60deg glass prism n 15 at an angle of
a door made of a uniform piece of wood measures 1 m by 2 m and has a mass of 18 kg the door is entirely supported by
x-rays with a wavelength of 702 x 10-12 m strike a stationary electron and the reflected photon is scattered 75 degrees
a string with a mass per length of 200 gmm is stretched with a force of 150 n between two points that are 0500 m apart
in a vacuum a certain light has a wavelength 0 589 nm and travels at speed c 300x108 msa what is the frequency of the
the total kinetic energy in one mole of an ideal gas is 4000 j if the gas is nitrogen what is the root mean square
the inside temperature of a house is 65 degrees f when the temperature outside is 35 degrees f the furnace supplies 100
an intergalactic rock star bangs his drum every 130 s a person on earth measures that the time between beats is 210 s
a person on a bicycle accelerates at 20 ms2 for 30 seconds if the final velocity is 10 ms what was the cyclists initial
a magnetar magnetic neutron star has a magnetic field near its surface of magnitude 375middot1010 ta calculate the
the voltage and power ratings of a particular light bulb which are its normal operating values are 110 v and 60 w
an astronaut leaves earth in a spaceship at a speed of 0280c relative to earth if the destination is a star system
a 0954 kg toy car is powered by four aa batteries 600 v total connected directly to a small dc motor the car has an
the displacement s of a particle moving under uniform acceleration a is some function of the elapsed time t and
suppose one side of a pine wood block with thickness of 10 inch is in contact with a steam block at a temperature of
a current of 389ma flows in a silver wire of diameter 333 mm find the electric field strength inside the wire the