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a proton moves in a circular path perpendicular to a 118 t magnetic field the radius of its path is850 mm calculate the
a 250 kg child on a 200 m long swing is released from restwhen the ropes of the swing make an angle of 30 degrees with
sucrose is allowed to diffuse along 80 cm length of tubing filled with water the tube is 56 cm2 in cross-sectional area
darius the dare devil plans to launch his rocket carat the top a ramp inclined at 200 degrees to the horizontal over
two wires are identical except that one is aluminum and oneis iron the aluminum wire has a resistance of 21ohms what is
a copper cable is designed to carry a current of 330 a with a power loss of 160 wm what is the required radius of this
if the elastic limit of steel is 50108 pa determine theminimum diameter a steel wire can have if it is to support a 62
the potential at the center of a uniformly charged ring is45 kv and 15 cm along the ring axis the potential is 33 kv
a toaster rated at 1040 woperates on a 120 v household circuit and a 400 m length of nichrome wire as its heating
a passenger on train traveling 90 kmh on a straight level track notes that it takes another 180m long constantly
a balloon carrying a basket is descending at a constant velocity of200 rm mrm s a person in thebasket throws a stone
assume you have a spherical planet with a diameter of 1600 kmwith a uniform density of 5200 kilograms per cubic metreif
an organ pipe that is opened at both ends and is near a heating pipe such that the temperature is 3500 c the
the electric field everywhere on the surface of a charged sphere ofradius 0300 m has a magnitudeof 520 nc and points
a heat engine performs 192 j of work in each cycle and has anefficiency of 41 for each cycle of operation how much
gas in a container is at a pressure of 24 atm and a volume of 38m3 what is the work done on the gas if it expands
in the millikan oil-drop experiment an electric field of 192 x105 nc is maintained at balance across two
the sound source of a destroyers sonar system operates at afrequency of 220 khz the speed of sound in water is 1482 msa
a car goes around a curve on a road that is banked at an angleof 300deg even though the road is slick the car will stay
a tennis ball is struck such that it leaves the rackethorizontally with a speed of 280 ms the ball hits the court at a
identical point charges are fixed to opposite corners of a square where doesa third point charge experience the greater
a motorcycle has a constant speed of 300 ms as it passes over the top of a hill whoseradius of curvature is 118 m
a plane flies at 125 times the speed of sound its sonicboom reaches a man on the ground 100 min after the plane
a sled weighing 520 n is pulledhorizontally across snow so that the coefficient of kinetic friction between sled and
a rectangular block of copper has sides of length 14 cm18 cm and 43 cm if the block is connected to a 70 v source