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light falling normally on a 800 linecm grating produces a spectrum that contains three lines in the second order m2 at
a 440 gram marble moving at 210 meter per second strikes a 220 gram marble at rest evaluate the speed of each marble
an artificial satellite in a circular orbit around the sun has a period of eight years decide the ratio of the
an artillery shell accelerates in the barrel of a gun with an acceleration of 10000 ms2 for 004 second and is fired at
two long parallel wires are shown in the figure below they are separated by a distance l 170 cm the bottom wire
a hiker who weighs 810 newton is strolling through the woods and crosses a small horizontal bridge the bridge is
decide the specific internal energy of 98 l of neon gas at 400degc and 2 mpanbsp the neon gas has a total enthalpy of
after skidding down a snow-covered hill on an inner tube ashley is coasting across a level snowfield at a constant
a cylinder is rotating about an axis that passes through the center of each circular end piece the cylinder has a
an american football game has been canceled because of bad weathering cleveland and two retired players are sliding
an electron in a cathode ray tube accelerates across a potential dissimilarity 100 kv then passes through a small
a projectile is shot directly away from earths surface ignore the rotation of earth what multiple of earths radius re
a puck tied to a string moves in a circle on a frictionless horizontal surface as the speed of the puck decreases
biological muscle cells can be thought of as nanometres that utilize the chemical energy of atp to produce mechanical
consider a hypothetical planet in our solar system whose average distance from the sun is about four times that of
determine what average power in watts needed to raise an 87 kilogram object 5 meters in a time of 12
a horizontal 790 newton merry-go-round of radius 140 meter is started from rest by a constant horizontal force of 55
a circular loop of wire 60 mm in radius carries a current of 100 a at the center of the loop what are the followinga
two automobiles of identical mass approach an intersection one vehicle is traveling with velocity 145 ms toward the
an object is placed at a distance of 40 cm from a thin lens if a virtual image forms at a distance of 50 cm from the
a circular loop of radius 010 m is rotating in a uniform magnetic field of 020 t discover the magnetic flux during the
a 97 kilogram sprinter wishes to accelerate from rest to a speed of13 ms in a distance 22 meterdetermine what
a ball of a mass of 02 kg is attached to a cord of length 15mthe cord will break if the tension exceeds 40n the ball is
a 108 gram bullet is fired horizontally into a 100 gram wooden block initially at rest on a horizontal surface after
a beam of light travelling in air strikes a plate of transparent material at an angle of incidence of 560deg it is