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a) Calculate the electrons de brogile wavelength when its kinetic energy is 25eV.
b) If you require the wavelength of electron-beam for an electron microscope which is 10 times shorter than that in the part (a) what should be the energy of electrom beam? How can such energy be inparted to electrons beam?
c) Does it require use of relativistic fromulas? Explain toure reasoning.
Two different balls are rolled (without slipping) toward a common finish line. Their angular speeds are shown to the right. how long does each ball take to reach the finish line
A wristwatch has +2 nC of charge deposited at each numeral (representing each hour). The radius of the wristwatch is 3.00 cm. How much work is required to move a proton
During an adiabatic expansion the temperature of 0.430 moles of argon (Ar) drops from 54 C to 15 C. How much work does the gas do
At the start of a trip, a driver adjusts the absolute pressurein her tires to be 2.83 x 105 Pa when the outdoor temperature is284 K. find the air temperature inside the tires at the end of the trip
In a certain region, the earth's magnetic field has a magnitude of 4.7 × 10-5 T and is directed north at an angle of 69° below the horizontal, Determine the bullet's electric charge
A bullet is fired through a board that is 15.0 cm thick. The bullet moves along a direction perpendicular to the board. find the bullet's acceleration as it passes through the board
a solid sphere of radius r has a nonuniform charge distribution par2 where a is a constant. determine the total charge
The left ventricle of the heart accelerates blood from rest to avelocity of +24cm/s. If the displacement of the blood during theacceleration is +1.6 cm, determine its acceleration (incm/s2). How much time does blood take to reach its final velocity?
You are driving just behind a second car and both of you are moving at a speed 58mi/h. What is the minimum safe distance
the bureau of land management wants you to present a plan for a self-contained city. the population is 1000. your job
A car takes 16 s to go from v = 0 to v = 50 m/s at approximately constant acceleration. If you wish to find the distance travelled using the equation d = 1/2 at2, what value should you use for a.
What was the initial negative charge on one of the spheres, and what was the initial positive charge on the other?(Hint: Use charge conservation and solve for one of the initial charges. You will end up with a quadratic equation. The solutions giv..
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