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During a particular thunderstorm, the electric potential differencebetween a cloud and the ground is Vcloud -Vground = 2.60*108 V, with the cloud being at the higherpotential. What is the change in an electron's electric potentialenergy when the electron moves from the ground to the cloud?
A 49.7 kg sled starts at rest on a horizontal road. The coefficient of kinetic friction between the sled and the road is ?k = 0.247. estimate the work done by the frictional force on the sled
In a television tube, electrons travel down the tube and strike the fluorescent material at the end of the tube. What is the acceleration of an electron during this process
A parallel plate capacitor has a capacitance of 1.5 microFarad with air between the plates. What is the dielectric constant of the material
A 9500 line/cm grating reveals that a beam of light contains three different wavelengths. When the light strikes the grating at normal incidence, What are the wavelengths for each angle
Two capacitors, C1 = 19.0 µF and C2 = 30.0 µF, are connected in series, and a 3.0 V battery is connected across them. Find the equivalent capacitance, and the energy contained in this equivalent capacitor.
Two waves are traveling in the same direction along a stretched string. The waves are 45.0° out of phase. Find the amplitude of the resultant wave
A recantangular block of wood floats in a calm lake. Show, if friction is ignored, determine an equation for the force constant
An early model for an atom considered it to have a positively charged point nucleus of charge Ze, surrounded by a uniform density of negative charge up to a radius R. The atom as a whole is neutral. F
A bicyclist climbs a 2.0km long hill that makes an angle of 7.0° with the horizontal. The total weight of the bike and rider is 750N. How much work is done on the bike and rider by gravity?
An artificial satellite circles Earth in a circular orbit at a location where the acceleration due to gravity is 9.00 m/s2. Determine the orbital period of the satellite
You pull downward with a force of 32 N} on a rope that passes over a disk-shaped pulley of mass 1.2 kg and radius 0.07 5m. Find the linear acceleration of the 0.61 kg mass.
You are designing a mass spectrometer using the principles discussed in this chapter, but with an electronic detector replacing the photographic film. You want to distinguish singly ionized (1+) molecules of 175 proton masses from those with 176 p..
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