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Question: An electron accelerates through a potential difference of 250 V.
a. How much kinetic energy does the electron gain? Give your answer in electron volts and also in joules. b. If the electron was accelerated from rest, what would its velocity be?
If the volume of an ideal gas is held constant, what happens to the pressure if the absolute temperature is cut in half?
q1. a sling-thrower puts a stone 0.250 kg in the slings pouch 0.010 kg and then begins to make the stone and pouch move
A positively charged particle of mass 5.40 10-8 kg is traveling due east with a speedof 70 m/s and enters a 0.45 T uniform magnetic field. The particle moves through one-quarter of a circle in a time of 2.80 10-3 s, at which time it leaves the fie..
A wooden raft has a mass of 90 kg. When empty it floats in water (density 1000 kg/m3) with 67% of its volume submerged. What mass of sand can be put on the raft without it sinking
a mine car mass 474 kg rolls at a speed of 0.368 ms on a horizontal track as the drawing shows. a 103-kg chunk of coal
Determine the power input for a motor necessary to lift 300 kg at a constant rate of 5 m/s.
Green laser light with a wavelength of 521 nm strikes adifraction grating with 3000 lines/cm. How many spots appear on the screen
How does culture fit into Wilson's argument about persistent urban poverty? Can you draw on Patillo's Black Picket Fences that considers his argument and explain how it applies?
A sample of blood is located in a centrifuge of radius 15.0 centimeter. Determine at how many revolutions per second should the centrifuge be operated
The displacement of a harmonic oscillator is given by y = 7.1 sin(25t), where the units of y are meters and t is measured in seconds. Evaluate what is its maximum velocity
Clouds in the tropics tend to move from east to west. Consequently, which rhyme best explains a rainbow seen in the tropics.
A certain kind of glass has an index of refraction of 1.660 for blue light of wavelength 420 nm and an index of 1.630 for red light of wavelength 690 nm. what is the angle between the two beams inside the glass
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