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a puck of mass m 126 kg slidesin a circle of radius r 250 cmon a frictionless table while attached to a hanging
an outfielder throws a baseball with an initial speed of 10ms an infielder catches the ball at the level 1m lower
a rectangular loop of wire with sides 0219 and 0531 m lies ina plane perpendicular to a constant magnetic field see
if a saturn v rocket with an apollo spacecraft attached has acombined mass of 26 multiplied by 105 kgand reached a
a loop of wire has the shape shown in the drawing the top part of the wire is bent into a semicircle of radius r 025m
hammerhead sharks are known to be able to detect magnetic fields acertain marine biologist wraps 200 turns of wire
a a concave mirror produces a virtualimage that is three times as tall as the object if the objectis 26 rm cm in front
a 25kg block on horizontal surface is attached to a light spring k80knm the block is pulled 10 cm to the right from its
two 40 cm times 40 cm electrodes spaced 20 mm apart form aparallel-plate capacitor inside the capacitor the electric
an inductor has the form of a coil with 2050 turns and a diameter of 17 mm the inductor is placed in a magnetic
an airplane propeller is 207 m in lengthfrom tip to tip and has a mass of 124kg when the airplanes engine is first
a spring k600nm is placed in a vertical position with its lower end supported by a horizontal surface a2 kg block that
an air-track glider attached to a spring oscillates with a periodof 117 s at t0 s the glider is 26 cm left of the
at a certain point in a pipeline the liquid speed is 8 ms and the gauge pressure is 7x104 pa find the gauge pressure at
a charge of -359c is fixed at the center of a compass two additional charges are fixed on the circle of the compass
a typical power transmission line carries a current of 1000 a about 300 meters above the ground the magnetic field
the average nascar race car weighs 3400 lbs at a recentnascar race the cars went flying around the banked curves
a long straight conducting rod or wire carries a linearcharge density lambda of 20mucm this rod is totallyenclosed
an 80 kg man is one fourth the way up a 10 m ladder that isresting against a smooth frictionless wall the ladder has
what is the minimum work needed to push a 950kg car 810m upalong a 90 degree inclinea ignore frictionb assume
the index of refraction for red light in water is 1331 and thatfor blue light is 1340 if a ray of white light enters
a rifle bullet is fired at an angle of 30ordm below the horizontal with an initial velocity of 800 ms from the top of a
a spherical cavity of radius 400 is at the center of a metalsphere of radius 185 a point charge 600 rests at the very
a long solenoid with 907 turnscm and a radius of 704 cm carriesa current of 200 ma a current of 456 a exists in a
a rectangular box with open top floats on a surface of aswimming pool during a rainstorm box fills with waterpartially