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you make a capacitor by cutting the 13 centimeter diameter bottoms out of two aluminum pie plates separating them by
the energy flow per unit time per unit area s of an electromagnetic wave has an average value of 598 mwm2 the wave is
a 934 times 1014nbsphertz electromagnetic wave propagates in carbon tetrachloride with a speed of 205 times 108nbspms
a raft is made of 11 logs lashed together each is 57 centimeter in diameter and has a length of 73 meter determine how
a series rlc circuit has a peak current of 2 amp with a frequency of 61 khz if the resistance of the circuit is 57
before beginning a long trip on a hot day a driver inflates an automobile tire to a gauge pressure of 18 atm at 282k at
an lc circuit has a resonance frequency of 4 khz if the inductor in the circuit has a value of 4 h estimate what is the
a 010 grams plastic cup is attached to a spring hanging from a hook the cup hangs 42 centimeter below the hook while at
a car moving at 140 miles per hour passes a stationary police car whose siren has a frequency of 500 hertz find the
the sound level at a point p is 40 db below the sound level at a point q which is 100 centimeter from a point source
if the handle of a tuning fork were to be handled firmly against a table would the sound from the tuning fork change if
the nucleus of a hydrogen atom is a single proton which has a radius of about 11 x 10-15 meter the single electron in a
a 15 microf capacitor is connected to a 50 volt battery and becomes fully charged the battery is removed and a slab of
a bat emits sound of wavelength 657 millimeter it is flying toward a cave wall at 27 meter per second determine the
obtain the magnitude of the electrostatic force between an oxygen molecule nucleus and a helium nucleus if they are 1
problem four point charges are located at the corners of a square with sides of length a all the charges are qwrite an
question a sound wave enters from a warm room at 23degc to chilly room at 2degc if the frequency of the sound is 1500
problem a transverse wave on a string can transmit a maximum power of p if the string is folded and doubledpart a
problem a projectile is fired from a cannon that is suspended above the ground 13 meter the canon is pointed at a 0
a ship fires its canon the initial speed of the shell is 20 meter per second the angle of the canon is 30oa compute the
a canon is firing a projectile select an angle for a launch choose an angle between 15 and 75 degrees initial speed is
a scalloped hammerhead shark swims at a steady speed of 18 ms with its 80 cm wide head perpendicular to the earths 56
a light ray initially in water enters a transparent substance at an angle of incidence of 39 degree and the transmitted
a helium-neon laser beam has a wavelength in air of 633 nm it takes 148 ns for the light to travel through 29 cm of an
a plane wave of monochromatic light is incident normally on a uniform thin film of oil that covers a glass plate the