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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
a thin film of acetone n 125 coats a thick glass plate n 150 white light is incident normal to the film in the
in a double-slit experiment the fourth-order maximum for a wavelength of 450 nanometers occurs at an angle of 90oa find
a ball is thrown vertically upwards with an initial velocity of 2156 meter per second ignoring air resistance determine
an object moving with constant acceleration has velocity v 715 meter per second when it is at x 69 meter and v 1432
at the instant a traffic light turns green a car starts moving with a constant acceleration a of 252 ms2 at the same
a ball is thrown upward at time t 0 second with an initial velocity of v0 43 meter per seconddetermine how long is
a car is accelerating uniformly from rest at the end of the first second its velocity is 30 kilometer per hour find
skiers ski down from the top of a mountain that is 580 meter above a valley find the gravitational potential at the top
you want the current amplitude through a inductor with an inductance of 410 mh part of the circuitry for a radio
in an l-r-c series circuit l 0398h r 300 ohm and c 608 x 10-8 f when the ac source operates at the resonance