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If the balls are far enough apart to behave more or less like equal point charges, then Fcoul should be given by Fcoul = kq2/R2. Write an equation that can be used to determine the amount of charge, q, on each ball as a function of m, R, and L as well and the gravitational and Coulomb constants, g and k. Show your derivation here.
A platinum ring has a mass of 4.26 g. It is lowered into a graduated cynlinder that is full to 50.00 ml mark with water. The water rises to the 50.20 ml mark. What is the density of the platinum ring?
A boat, whose speed in still water is 1.70 m/s, must cross a 260-m-wide river and arrive at a point 110m upstream from where it starts (Fig). To do so, the pilot must head the boat at a 45o upstream angle. What is the speed od the river's current?
To focus a camera on objects at different distances, the converging lens is moved toward or away from the film, Over what distance must the lens be movable
One of your summer lunar space camp activities is to launch a 1190-kg rocket from the surface of the Moon.What gain in gravitational potential energy does the launch accomplish
An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. How much kinetic energy is "lost" in this collision
A 10-lb block is attached to an unstretched spring of constant k = 12 lb/in. The coefficients of static and kinetic friction between the block and the plane are .6 and .4 respectively.
A car of mass 840.0 kg accelerates away from an intersection on a horizontal road. Calculate the acceleration of the car at that time
A car entering a freeway ramp accelerates from 14 m/s to 25 m/s in 10 seconds. what is the cars average acceleration during this 10 seconds.
A standing wave is made up of two traveling waves, each of amplitude 3.45 mm, Describe the wave function of this standing wave
A uniform 1.7-kg rod that is 0.93 m long is suspended at rest from the ceiling by two springs, one at each end. Both springs hang straight down from the ceiling. The springs have identical lengths when they are unstretched. Their spring constants are..
Two very long, straight conductors, each of radius 1 mm, are separated by a distance of 10 cm. If they carry equal and opposite currents of 200 A, determine the flux per unit length passing through the region between the two conductors. What will ..
An object is moving along a straight line and the uncertainty in its position is 0.7 m. Discover the minimum uncertainty in the momentum of the object.
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