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the wave function for a traveling wave on a taut string is in si units yxt 0380 sin 12t 1x 4a what are the speed and
twin brothers each of mass 50 kg sit in a symmetric canoe of mass 40 kg each boy sits 15m from the center of the canoe
a suction cup works by virtue of a vacuum that is created within the cup when the cup is pressed against a flat surface
consider an airplane window area 032 m2 if the pressure inside the plane is atmospheric pressure and the pressure
a spherical brass shell has an interior volume of 133 x 10-3 m3 within this interior volume is a solid steel ball that
two charged bodies separated by a distance d exert an electrical force on each other the charge on one of the bodies is
a 70 kg teen is riding a popular amusement park ride in which a large cylindrical chamber of diameter 4 meters is spun
first you will investigate purely vertical motion the kinematics equation for vertical motion ignoring air resistance
an object whose mass is 4 kg is at a radius of r -5 i 3 k m gravity is in the direction of - j what is the
a major artery with a cross-sectional area of 100cm2 branches into 18 smaller arteries each with an average
the greatest ocean depths on the earth are found in the marianas trench near the philippines calculate the pressure due
white light 400 - 700 is incident on a 610 diffraction grating what is the width of the first-order rainbow on a
a 115 k resistor and a 505 mh inductor are connected in series to a 1250 hz generator with an rms voltage of 142 va
a generator connected to an rlc circuit circuit has an rms voltage of 120 v and an rms current of 34 ma if the
a particle with positive charge q 320e10-18 c moves with a velocity 4i 4j -k ms through a region where both a
a piece of wood that floats on water has a mass of 00175kg a lead weight is tied to the wood and the apparent mass with
a 1000 kg experimental rocket sled on a level frictionless rails is loaded with 50 kg of propellant it exhausts the
during exercise a person gives off 150 calories of heat in 22 minutes how much water would this amount of energy
it has been suggested that we should use our power plants to generate energy in the off-hours such as late at night and
a nuclear power plant generates 2000 mw of heat energy from nuclear reactions in the reactors core this energy is used
a massless rope connects two blocks through a frictionless pulley with a moment of inertia i 04 kgm 2 and a radius r
a hot 35-gram aluminum rivet is dunked into a tank containing 22 l of water to cool it the change in temperature of the
a laser beam is incident on the left mirror its initial direction is parallel to a line that bisects the mirrors what
a block with mass m 200 kg slides without friction on a ramp inclinced at 531 degrees above horizontal a spring with
a copper pipe with an outer radius of 0015 m runs from an outdoor wall faucet into the interior of a house the