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a uniform rod l 3 m and mass m 1 kg is pivoted about a horizontal frictionless pin through one end the rod is released
william tell shoots an apple from his sons head the speed of the 129-g arrow just before it strikes the apple is 212 ms
a 10000 kg boxcar traveling at 16 ms strikes a second boxcar at rest the two stick together and move off with a speed
the spin cycles of a washing machine have two angular speeds 409revmin and 608revmin the internal diameter of the drum
when the lights of an automobile are switched on an ammeter in series with them reads 990 a and a voltmeter connected
a satellite is in a circular orbit around the earth at an altitude of 168 106 ma find the period of the orbit hint
a 120kg refrigerator is at rest on a kitchen floor mu of s 043 and mu of k 027 how much force is needed to move the
a 610 skier is moving at 615 on a frictionless horizontal snow-covered plateau when she encounters a rough patch 355
two cylindrical artificial bones are made of the same material and length one with twice the radius as the other when
a horizontal spring with spring constant k is on a frictionless surface with one end of the spring fastened to a wall
1-for the fan powered glider moving along the track the equation of the motion is a- straight lineb-ag sin angle for
one of the 1000 kg car moves west at 40 ms while the second moves east from the same starting point at a constant
a thick spherical shell of charge q and uniform volume charge density is bounded by radii r1 and r2 where r2 gt r1
calculate the force between two wires each 098 m long carrying 29 a current in opposite directions and separated by 16
the acceleration due to gravity is 98 ms2 at las vegas nevadaa what is the weight of a 63n bag of potatoes in las
a 527-kg object passes through the origin at time t 0 such that its x component of velocity is 495 ms and its y
two blocks are free to slide along the frictionless wooden track shown below the block of mass m1 494 kg is released
a large rectangular tub is filled to a depth of 260 m with olive oil which has density 915 kgm3 if the tub has the
a 022-kg stone is held 12 m above the top edge of a water well and then dropped into it the well has a depth of 51 m a
two long parallel wires are separated by a distance of 28 cm the force per unit length that each wire exerts on the
you have just moved into a new apartment and are trying to arrange your bedroom you would like to move your dresser of
a 21 kg block of wood rests on a long tabletop a 118 g bullet moving horizontally with a speed of 156 ms is shot into
a 12-m string is stretched between two fixed points what is the wavelength of the second
a 80-g bullet is fired from a rifle having a barrel 0582 m long choose the origin to be at the location where the
a crying baby emits sound with an intensity of 8 times 10-8 wm2 what is the intensity level for a set of twins the