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a 332 g oscillator has a speed of 9950 cmswhen its displacement is 290 cm and 825 cmswhen its displacement is 660 ca
in a location where the speed of sound is 344 ms a 2000 hz sound wave impinges on two slits 30 cm apart at what angle
waves from a radio station have a wavelength of 365 m they travel by two paths to a home receiver 200 km from the
a cannon fires a cannonball according to the third law the cannon exerts a force on the cannon ball action and the
how might the critical angle phenomenon be used to allow light travel in a curved path in an optical fiber that is not
if the index of refraction in water is about nwaternbsp 133 which substance when shaped into a lens would have the most
a monatomic ideal gas with initial pressure 12105nbsppa and initial volume of 05 m3nbspexpends isothermally to a volume
a water fall is 500m high a what is the difference in temperature between the water at the top and bottom if no water
block a of mass 20 kg slides into block b of mass 20 kg before collision block a moves to right with speed of 50 ms and
a block of unknown mass is attached to a spring of spring constant 62 nm and undergoes simple harmonic motion with an
thermodynamics consultation problemsa tank is connected to a pipe by a valve the tank has a volume of 1m3 and it
1 describe the forms of porosity that exist in killed steel and semi-killed steel2 why does preheating and postheating
a pipe of diameter 1 m is at the top of a 20 m tall hill water flows through the pipe with a velocity of v 5 ms for a
the rotor is an amusement park ride where people stand against the inside of a cylinder once the cylinder is spinning
a negatively charged particle q enters from the left an area with both an electric field directed downward and a
a 40 kg box is sliding down a ramp angled at 15 down from the horizontal the box is accelerating at 15 ms2 down the
pick one lab from the following list deflection of electrons in an electric field rc circuit fine beam tube and thin
the top of a swimming pool is at ground level if the pool is 300 m deep how far below ground level does the bottom of
consider the interference diffraction pattern from a three-slit arrangement as shown take d35a the wavelength of the
a positively charged particle moves at a velocity v perpendicular to a magnetic field b if the magnitude of the
a painter weighingnbsp900 nnbspstands on a massless planknbsp5 mnbsplong that is supported at each end by a stepladder
find the change in mass in grams required for the energy released by a 120-kt bomb if 42x10 12 12 j is released per
a pitching machine shoots a baseball with a speed of 70 mph and a rotation of 300 rpm clockwise knowing there is no
a large piano that weighs 4100 n is to be moved into a house by way of an opening that is 15 m from the ground if the
a double-slit experiment uses coherent light of wavelength 633nm with a slit separation of 0100mm and a screen placed