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Accomplished silver workers in India can pound silver intoincredibly thin sheets, as thin as 3.00*10-7 m. Find the area of such a sheet that can be formed from 1.00 kg ofsilver.
Assume the magnitude of the magnetic field outside a sphere of radius R is B = B0(R/r)^2, where B0 is a constant. (a) Determine the total energy stored in the magnetic field outside the sphere. (b) Evaluate your result from part (a) for B0 = 5e-5 T a..
An accident victim with a broken leg is being placed intraction. The patient wears a special boot with a pulleyattached to the sole. What is the net traction force pulling on the leg
A 0.32-kg object connected to a light spring with a force constant of 22.4 N/m oscillates on a frictionless horizontal surface. Determine the maximum speed of the object
A ladder 2.05 m long, weighing 229 N, initially lies flat on the ground. The ladder is raised to a vertical position. Compute the work done by the force lifting the ladder
A parallel-plate capacitor has plates with an area of 379cm2 and an air-filled gap between the plates that is2.65mm thick. The capacitor is charged by a battery to 575 V andthen is disconnected from the battery.
A roller coaster car of mass 250 kg has a speed of v0 = 12 m s-1 at point A, located at a height of h = 15 m. Find the speed of the car when it reaches point B. Use energy ideas
A granite ball of radius 2.00m and emissivity of 0.450 is heated to 135 C whereas the ambient temperature is 25 C. What is the net power radiated from the ball
a 1200 kg car going 25m/s is brought to stop using its brakes. what is the change in temperature of the brakes and wheels
questionin an x-ray machine electrons are accelerated and then fired so that they are incident on a metal target. which
A train is traveling down a straight track at 29 m/s when the engineer applies the brakes, resulting in an acceleration of 1.0 m/s2 as long as the train is in motion. How far does the train move during a 58-s time interval starting at the instant ..
An unstable elementary particle comes in two varieties, one with positive and one with negative electric charge, What is the difference (R+)-(R-) between the two rates, with its error
A 36.0 kg child swings in a swing supported by two chains, each 2.90 m long, find the child's speed at the lowest point
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