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A spherical shell with an inner radius of 10 cm and outer radius of 12 cm contains a net charge +10uc. At the center of the shell is located a point charge with a charge of +2uc. What is the strength of the electric field at a distance of 8cm from the center of the shell?
Equal amounts of heat are added to equal masses of iron andsilver at the same intial temperature. Which metal will have the higher final temperature?
A circular-motion addict of mass 90 kg rides a Ferris wheel around in a verticalcircle of radius 10 m at a constant speed of 6.3 m/s. What is the period of the motion?
A solenoid has a cross-sectional area of 5.8 x 10-4 m2, consists of 330 turns per meter, and carries a current of 0.41 A. Find the average current induced in the coil
A fire engine is driving directly away from a solid wall at 34 m/s on a hot 30.0^o C day while its siren emits a steady 420. Hz sound. Compute the frequency heard by a stationary listener
When two point charges are a distance R apart, their potential energy is -2.00 J. How far (in terms of R) should they be from each other
what is a the atomic number z and b the atomic mass number of the daughter nucleus produced by the alpha decay of the
A 671-kg cannon fires a 18.5-kg projectile with a speed of 273 m/s with respect to the muzzle. what is the speed of the projectile with respect to the ground
As measured in Earth's frame of reference, two planets are 485,000 km apart. How fast is the ship traveling
Four identical charges (+1.6 μC each) are brought from infinity and fixed to a straight line. Each charge is 0.32 m fromthe next. Determine the electric potential energy of this group.
determine the attractive force between myself 82kg and the earth 6.4 x10 24 as i stand on the earth r 6.0 x
A 3.00 and a 6.00 capacitor are connected in parallel, and this combination is connected across a 46.0 potential difference. Calculate the charge on first capacitor. Calculate the charge on second capacitor. Calculate the potential difference across ..
An indestructible bullet 1.85 cm long is fired straight through a board that is 11.10 cm thick. The bullet strikes board with a speed of 455m/s and emerges with a speed of 279m/s. (To simplify, suppose that the bullet accelerates only while the fr..
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