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Two capacitors, C1 = 2x10^-6 F and C2 = 4x10^-6 F, are connected in series with an 18 V battery. The battery is removed and the plates of like sign are connected. Find the final charge and potential difference for each capacitor.
2.0 kg ball moving with a speed of 3.0 m/s hits, elastically, an identical stationary ball as shown. If the first ball moves away with angle 30° to the original path,
Compare the electric force holding the electron in orbit (r=0.53×10?10m) around the proton nucleus of the hydrogen atom, What is the ratio of these two forces
A spaceship travels past an observer at a speed of 0.6c. What time would the observer record for the same event
The pilot of an airplane notes that the compass indicates a heading of due west. find direction (measured from west) of the velocity of the plane relative to the ground
A ship's mast reaches to a height of 15 meters above the surface of a 10-meter-deep lake. When the sun is 30° above the horizon, how long will the shadow of the mast be on the bottom of the lake?
A bicycle wheel (with very light spokes) of mass M and radius R is mounted on a light axel through its center. Write a statement of conservation of energy for this system
A generator rotates at 95Hz in a magnetic field of 0.025T . It has 650 turns and produces an rms voltage of 180V, What is the peak current produced
A uniform electric field points midway between the positive x and y axies. Its strength is 100Volts/m. A -50nC charge is placed at the position ( 2m, 3m ) and fixed in place. What are the components of the total electric field at the location (..
two semicircular filament have a common diameter. one lies in the x-y plane and one in the x-z plane. the curved portion of each carries a uniform line charge density (rho). find the electric filed at the common cetner of the semicircles
A superhero flies 287 meters from the top of a tall building at an angle of 17 degrees below the horizontal. What is the vertical component of the superhero's displacement? Answer in units of meters. The horizontal is 274.459 meters and the vertical ..
To water the yard you use a hose with a radius of 3.50 cm. Water flows from the hose with a speed of 1.10 m/s. If you in part block the end of the hose so the effective radius is now 0.55-cm, with what speed does water spray from the hose.
A cylinder in a car engine takes Vi = 4.50 multiply.gif 10-2 m3 of air into the chamber at 30° C and at atmospheric pressure. What is the new temperature of the air
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