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An electron is to be accelerated in a uniform electric field having a strength of 1.60 x 106 V/m.
(a) Find what energy in keV is given to the electron if it is accelerated through 0.540 m?
keV
(b) Find over what distance would it have to be accelerated to increase its energy by 50.0 GeV.
km
On a workday the average decibel level of a busy street is 71 dB, with 100 cars passing a given point every minute. If the number of cars is reduced to 40 every minute on a weekend
Suppose a formula for gain in heat energy of an object is H = m(A - B), where m = mass and (A - B) is its rise in temperature between A degrees and B degrees (as in #4). Write an expression for the absolute uncertainty, delta-H, in terms of m, del..
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What is the charge on negative electrode. Find out the wavelength.
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An electromagnetic velocity filter (sometimes called a Wien filter) is used in a variety of experiments and other applications, such as electron microscopes, in which we need a beam of charged particles all going at the same speed. Generally the s..
A piece of Nichrome wire has a radius of 5.0 x10-4 m. It is used in a laboratory to make a heater that dissipates 2.00 x10^2 W of power when connected to a voltage source of 120 V. Ignoring the effect of temperature on resistance, estimate the req..
You are the design engineer in charge of the crash worthiness of new automobile models. Find the average force exerted on the car by the barrier
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