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Assume that an inexpensive watch runs 0.004% slower than a "perfect watch" (viz., a "time standard") that neither loses nor gains time, what would the perfect watch measure for this time interval
When a clock reads 3 s, a cart's velocity in the positive x direction reads 5m/s, What is the magnitude in m/s^2 of the acceleration of the cart
An air-filled parallel plate capacitor with a plate spacing of 1.20 cm has a capacitance of 4.30, Calculate the dielectric constant of the inserted material
A parallel-plate air capacitor of area A = 20.9 cm2 and plate separation of d = 2.50 mm is charged by a battery to a voltage of 63.0 V, What is the charge on the capacitor
A parallel-plate capacitor has 1.65 cm2 plates that are separated by 4.17 mm with air between them, how much energy does it store
Two parallel plates, each of area 8.17 cm2, are separated by 6.20 mm, Calculate the amount of the electric charge stored on each plate
The potential difference between two parallel conducting plates in vacuum is 475 V, What is the kinetic energy of the alpha particle when it reaches the other plate
A ladder 8.00 m long leans against the side of a building, what is the horizontal distance from the bottom of the ladder to the building
You have a pure (24-karat) gold ring with mass 17.0 g, how many protons are in the ring and what is their total positve charge
A water balloon slingshot launches its projectiles essentially from ground level at a speed of 25.0m/s, For how many seconds will the balloon be in the air
A -2.47 ?C charge is placed at the center of a conducting spherical shell, and a total charge of +8.70, Calculate the total charge on the outer surface of the conductor
Two particles having charges of 0.520 nC and 18.7 nC are separated by a distance of 1.10 m, Where would the net electric field be zero if one of the charges were negative
Current passes through a solution of sodium chloride. in 1.00 secnds, 2.68 x 10^16 Na+ ions arrive at the negative electrode, what is the current in the fluid
A parallel plate capacitor (air filled) that is maintained at a 20.0 V potential difference between plates, Calculate the surface charge density, and the charge on each plate
A charged paint is spread in a very thin uniform layer over the surface of a plastic sphere of diameter 16.0 cm, find electric feild just outside paint layer
You are traveling on an airplane, The velocity of the plane with respect to the air is 190 m/s due east, What is the speed of the plane with respect to the ground
The potential in a region between x = 0 and x = 6.00 m has a linear relation, Calculate the potential at the following positions: x = 0, 3.00 m and 6.00 m and also find magnitude and direction
Relative to the ground, a car has a velocity of 16.8 m/s, directed due north, What is the magnitude of the truck's velocity relative to the ground
Use the following values for mass and charge: an electron has mass me = 9.11×10-31 kg and charge -e, What is the kinetic energy of the electron in units of eV
A uniform electric field exists in the region between two oppositely charged plane parallel plates, find speed of electron when it strikes second plate
The nonconducting spherical shell is replaced with a thin metal spherical shell of diameter 8 cm and a charge of 1.00, What is the net electric field at 50 cm on the positive x axis
A cargo plane in flight lost a package because somebody forgot to close the rear cargo doors. You are on the team of safety experts trying to analyze what happened, Calculate the time at which the p
A nuclear power plant generates(output) 500 MW. it is 34% efficient, How much does the water temperature rise
During a do-it-yourself roof repair project, you are on the roof of your house and accidentally drop your hammer, What is the horizontal distance traveled by the hammer between the instant it leaves t
If the capacitor is discharged in 3.0 ms, how much charge passes through the body tissues, What is the average power delivered to the tissues