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the rings of saturn consist of myriad small particles with each particle followingits own circular orbit in saturns
how many minutes are required for reflected sunlight to travel from the moon to earth if the distance between earth and
the wavelength of light from a monochromatic source is measured to be 680 x 10-7 ma what is the frequency of this
a monochromatic light source used in a diffraction experiment has a wavelength of 460 x 10-7 m what is the energy of
an incident light ray strikes a mirror with an angle of 30deg to the surface of the mirror what is the angle of the
a long wire carrying 1 amp lies in the xy plane and makes an angle of 45 degrees from the x axis the wire passes
a turntable has a moment of inertia of 25 x 10-2 kg m2 and spins freely on a frictionless bearing at 333 rpm a 05 kg
a woman who weighs 250 n stands on an 8 m long board that weighs 100 n the board is supported at each end the support
a box of cereal is pushed with an applied force of 24 n w across a tablenbsp the cereal box has a mass of 25 kg and the
a basketball hollow sphere with a mass of 42kgand a radius of 019mis on the top of a hill the hill has a height of29m
a lightbulb designed to operate in a 120 v circuit has a resistance of 149 omega at what rate does the bulb use
an iron ball is swung in a vertical circle at the end of a 07-mlong string how slowly can the ball go through its top
a singly ionized charge travels undeflected through region i which consists of crossed electric and magnetic fields and
a step-up transformer has a primary coil with 115 loops and a secondary coil with 1610 loops if the primary coil is
1 a room of ceiling height h with a rectangular floor of dimensions w and l is measured to have a reverberation time of
a 20 nf capacitor with an initial charge of 510 mc is discharged through a 130-komega resistor a calculate the current
a cosmic-ray proton in interstellar space has an energy of 100 mev and executes a circular orbit having a radius equal
a 80 nf capacitor with an initial charge of 10mc is discharged through a 5-komega resistora calculate the current in
a wire having a mass per unit length of 10 gcm carries a 300 a current horizontally to the south what are the direction
consider a capacitor of capacitance c that is being discharged through a resistor of resistance r after how many time
if the length of a string increases 8 times but the mass of the string remains constant the new density of the string
what is the wavelength in m of a 8 khz sound wave in a material where the speed of sound is 1540
a wave is sent back and forth along a rope 4 m long with a mass of 35 kg by exerting a force a force of 30 n calculate
calculate the wavelength in m of a 1020 hz sound in air at room temperature and pressure where the velocity of sound is
a wave travels at 92 ms and has a wavelength of 28 m calculate the wave frequency in