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A conducting sphere 10cm in diameter is first charged and left isolated at a potential of 100volts. The sphere is connected afterwards to a ground through a capacitor of capacitance C = 10^-12F. calculate the charge (in coulombs) on the sphere and on the capacitor after being connected.
question1two acrobats each of 60.0 kg launch themselves together from a swing holdings hands. their velocity at launch
A plastic rod is charged to -20 nC by rubbing. How many electrons have been added or protons removed
A rod of 2.0-m length and a square (2.0 mm ? 2.0 mm) cross section is made of a material with a resistivity of 6.0 ? 10-8 ? ? m. at what rate is heat generated in the rod
A sphere of radius R = 0.325 m and uniform charge density -151 nC/m3 lies at the center of a spherical, find the magnitude of the electric field at the following radial distances from the center of the charge distribution
A cannon tilted upward at 20° fires a cannonball with a speed of 105 m/s. What is the component of the cannonball's velocity parallel to the ground
An inductor (L = 400 mH), a capacitor (C = 4.43 ?F), and a resistor (R = 500 ?) are connected in series. Calculate the required peak voltage
In a simplified model of a hydrogen atom, the electron moves around the proton nucleus in a circular orbit of radius 0.53 × 10^?10 m, Determine the period of the circular motion
A crate is dragged 4.0m along a rough floor with a constant velocity by a worker applying a force of 450N to a rope at an angle of 30? to the horizontal. What is the total work done on the crate
A football is kicked at ground level with a speed of 15.0 m/s at an angle of 37.0° to the horizontal. How much later does it hit the ground
q1. for years marine scientists were mystified by sound waves picked up by underwater microphones in the pacific ocean.
A hollow cone (like a party hat) has vertex angle 2?, slant height L, and surface charge density ?. It spins around its symmetry axis with angular frequency ?. What is the magnetic field at the ti
Two forces act on a 5kg object. One force is 40 N and directed east. the other force is directed west. what is the magnitude and direction of the second force
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