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An x-ray tube is operated at 45000 V.
(a) Find the minimum wavelength of the radiation emitted by this tube.
(b) If the radiation is directed at a crystal, the first-order maximum in the reflected radiation occurs when the grazing angle is 4.5°. What is the spacing between reflecting planes in the crystal?
Distinguish constructive conflict from socio emotional conflict and explain how to apply the former without having the latter become a problem.
A 2100 kg truck traveling north at 41 km/h turns east and accelerates to 54 km/h, What is the change in the truck's kinetic energy
the second person is initially at rest. Illustrate what are the velocities of the two people after the snowball is exchanged? Disregard the friction between the skates and the ice.
Susie is out fishing on a calm, sunny day. She hooks an old tire that is resting on the lake bottom, and hauls it into her boat
Three point charges are placed at the corners of an isosceles triangle. At the left and right end points of the base are 6 micro coulomb and 6 micro coulombrespectively, What is the magnitude of the electric field at the midpoint of the baseline
Illustrate what current through the wire, and in which direction(LtoR OR R to L)will allow the wire to float in the magnetic field.
A block whose weight is 41.0 N rests on a horizontal table. A horizontal force of 36 N is applied to the block, what will be the block's acceleration? (If not, enter 0.)
The two forces in each pair could have different physical origins (for instance, one of the forces could be due to gravity, and its pair force might be due to friction or electric charge).
A car takes 11 s to go from v = 0 to v = 80 m/s at about constant acceleration. If you wish to find the distance travelled using the equation d = 1/2 at2, what value must you use for a.
Water flows over a section of Niagara Falls at the rate of 1.1 x10^6 kg/s and falls 55 m. How much power is generated by the falling water.
Water has a mass per mole of 18g/mol, and each water molecule (H2O) has 10 electrons.
A converging lens of focal length f1=11.0 cm is placed 52.0 cm to the left of a converging lens of focal length f2 = 22.0 cm. What is the overall magnification of the lens combination
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