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a light pipe consists of a central strand of material surrounded by an outer coating the interior portion of the pipe
evaluate the net force required to launch object of mass m into orbit of earth at a distance or radius of re use g for
a 270 kilogram log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp the ramp is
a jetliner has a gross weight of 250000 kilogram on its takeoff roll it accelerates from rest to 50 ms in a distance of
in an industrial cooling process water is circulated through a system if the water is pumped with a speed of 045 ms
a solenoid with a radius of 80 x 10-3 meter and 210 turncm is used as an inductor in a circuit when the solenoid is
a girl floats in a lake with 97 percent of her body beneath the watera calculate her mass densityb calculate her weight
a ceiling fan is rotating at 096 revs when turned off its lows uniformly to a stop in 24 minutea find how many
each of two spaceships has proper length l one of the spaceships travels away from the earth at speed v the other
a 2 kilogram stone is tied to a thin light wire wrapped around the outer edge of the uniform 10 kilogram cylindrical
assume you send a light signal of frequency f toward a mirror that is approaching you at speed v find what is the
a thin uniform rectangular sign hangs vertically above the door of a shop the sign is hinged to a stationary horizontal
a 194 ohm resistor is connected in series with a 50 microf capacitor and a 60 hertz 120 volt rms line if electrical
a force of 10 newton is applied on a 5 kilogram box at an angle of 30 degree downward with respect to the horizontal
a student m 63 kilogram falls freely from rest and strikes the ground during the collision with the ground he comes to
one billiard ball is shot east at 28 ms a second identical billiard ball is shot west at 12 ms the balls have a
an unstable high-energy particle is created in the laboratory and it moves at a speed of 0984c relative to a stationary
a diffraction grating with 13700 lines per 254 cm ie per in is utilized to view the visible spectrum from a hydrogen
a class of ten students taking an exam has a power output per student of 130 watt assume that the initial temperature
a 800-n passenger in a car presses against the car door with a 200n force when the car makes a left turn at 13 ms the
in old science fiction movies writers attempted to come up with novel ways of launching spacecraft toward the moon in
two astronauts each having a mass of 800 kilogram are connected by a 90 meter rope of negligible mass they are isolated
an american football game has been canceled because of bad weathering cleveland and two retired players are sliding
a force acting on a mass 5 kilogram over an interval of time is described by the equation ft 7t3 - 2t 4 where f is
a bullet with mass m 800 gram is traveling with a velocity of v0 365 ms to the left when it elastically collides with