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a triangular prism of mass m whose two ends are equilateral triangles parallel to the xy plane with side 2a is centered
a block with massnbspmnbsp 0450nbspkgnbspis attached to one end of an ideal spring and moves on a horizontal
a 300 kg crate is being pulled across a rough horizontal surface by a cable this cable exerts a constant tension force
an object is placed 116 cm in front of the cornea the cornea is thin ans has approximately parallel sides so that the
an rr lyrae star is identified in a globular cluster it is 50 times fainter than a solar-mass main-sequence star 100 pc
a certain alarm clock ticks four times each second with each tick representing half a period the balance wheel consists
a 78 g bullet moves horizontally with speed of 200 ms and embeds in a 17 kg block resting on a horizontal surface
a wire is bent into a circular coil of radiusnbsprnbspnbsp40nbspcm withnbsp25nbspturns clockwise then continues and is
a conducting sphere of a 10-m radius carries a 10 microc chargea what is the electric field at a 10-m distance from the
the tip of one prong of a tunng fork undergoes shm of frequencry 100 hz and amplitude 040 mm for this tip what is the
steam flows steadily into a turbine with a mass flow rate of 26 kgs and a negligible velocity at 6mpa and 600degc the
what is thecritical angle ic at the interface glass-cladding of anoptical fiberwhose core has a refractive index equal
the speed of light in a certain material is 50 of its speed in vacuum what is the refractive index of this materiala
how does global warming effect the atmosphere and how have humans contributed to global
the speed of light in air is 3108 ms if a certain led emits red light of wavelength 650nm how fast would it have to be
passengers riding on a ferris wheel feel three times heavier at the bottom most point of the ride as they do at the top
a 24 kg girl slides down a playground slide that is 37 m highwhen she reaches the bottom of the slide her speed is 13
a in the bohrs model of the hydrogen atom the electron moves in a circular orbit of radius 4713 times 10-11 m around
a 559-kg ball hangs from the top of a vertical pole by a 213-m-long string the ball is struck causing it to revolve
you are standing on a cliff overlooking a lake and decide to throw a golf ball to your friends in the water below you
a cannonball is launched at 55 ms at an angle of 33 degrees from the horizontal if air resistance is negligible what is
a 2493-kg car is moving down a road with a slope grade of 14 at a constant speed of 13 ms what is the direction and
1if a wave traveling through air decreases its wavelength by half describe what happens to the wave speed and
electrons are accelerated through a voltage difference of 220 kv inside a high voltage accelerator tubewhat is the
a 715-loop square armature coil with a side of 80 cm rotates at 500 revs in a uniform magnetic field of strength 075 t