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a 285 kg bucket is attached to a disk-shaped pulley of radius 0121 m and mass 0742 kg if the bucket is allowed to fall
a charged belt 50 cm wide travels at 30 ms between a sourceof charge and a sphere the belt carries charge into the
a rubber ball with a radius of 32 cm rolls along the horizontal surface of a table with constant linear speed v when
despite what you see in science fiction movies we dont know howto make artificial gravity however we can make something
a straight 200-m 150-g wire carries a current in a region where the earths magnetic field is horizontal with a
three air carts have masses 4m2m and m the most massive cart hasan initial speed of vo the other two carts are at
1 it is believed that a ring of old stars around the milky waymight have been formed by a previous merger of
1 the magellanic clouds area irregulargalaxiesb spiralgalaxiesc ellipticalgalaxiesd globular clusters2 how does the
a charging bull elephant with a mass of 5240 kg comes directlytoward you with a speed of 455ms you toss a 0150 kg
in an lc circuit where l 12 mh and c 30 muf with anelectromagnetic oscillation the current amplitude is 25maa find
the magnetic flux through one face of a cube is 0120wb a what must the total magnetic flux through the other five faces
a stonewith a mass of 240-kg is released from rest and falls toward earthnear the surface of the earth use the
a particle starting from point a in the drawingthe height at a is 300 m is projected down the curved runway upon
the mass of the space shuttle orbiter is 88 x 104 kgand the period of its orbit is 82 minutes estimate thekinetic
a pole-vaulter approaches the takeoff point at a speed of 831 ms assuming that only this speed determines the height to
a mass spectrometer has an adjustable magnetic field when themagnetic field is 7000e-2 t a singly ionizedhydrogen atom
an object is located 135 cm in front of a convex mirror the imagebeing 745 cm behind the mirror a second object twice
you are holding a compass 360 m from a longstraight electrical supply wire that is carrying a direct
a person walks into a room that has on opposite walls two plane mirrors producing multiple images find the distances
a dentist uses a mirror to examine a tooth that is 075 cm in front of the mirror the image of the too this formed 80 cm
mars orbits the sun at a mean orbital radius of 228 gm 1 gm 109 m and has an orbital period of 687 d earth orbitsthe
the induced emf is a single loop of wire has a magnitude of 236 vwhen the magnetic flux is changed from 0912 t x m2
a transformer connected to a 120 v ac line needs to supply 12500 vac to power an immense neon sign used as a business
suppose a certain laser can provide 76 tw of power in 11 nspulses at a wavelength of 038 mum how much energy is
a voltmeter is connected in parallel to a resistor when measuring vi why is the measured voltage across a 10 m omega