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Solve the following problems:
Problem I: An electron has a kinetic energy of 6.43 eV. Find its wavelength.
________nm
Problem II: A photon has energy 6.43 eV. Find its wavelength.
Please include each step and the equations you used. Thanks!
During a lunar landing mission, the command module continuesto orbit the Moon at an altitude of about 95 km. How long does it take to go around the Moon once
Young's double-slit experiment is performed with 570 nm light and a distance of 2.00 m between the slits and the screen. The tenth interference minimum is observed 7.64 mm from the central maximum. Settle on the spacing of the slits.
The magnetic flux through a loop of wire is ?B = 5.7 T · m2. what is the smallest possible value for the area of the loop
A special electronic sensor is embedded in the seat of a car that takes riders around a circular loop-the-loop at an amusement park. What is the speed of the rider at the top of the loop
A 130 cm length of string has a mass of 3.5 g. It is stretched with a tension of 5.9 N between fixed supports. (a) What is the wave speed for this string? (b) What is the lowest resonant frequency of this string?
A pot of water is boiling under one atmosphere of pressure. Assume that heat enters the pot only through its bottom, What is the temperature of the heating element in contact with the pot
A charge of -2.45 nC and acharge of -5.65 nC are separatedby a distance of 70.0 cm. Find the position at which a third charge of +7.20 nC can be placed so that the net electrostatic force on it is zero. a) cm from the -2.45 nC charge b)cm fromthe -5...
6 - two equal masses of charge 36 nC each are suspended at the end of two 1-m strings of negligible mass, The ropes make and angle of 5 with respect to each other
In a large centrifuge used for training pilots and astronauts, asmall chamber is fixed at the end of a rigid arm that rotates in ahorizontal circle. How long is the arm of the centrifuge
A 44 kilogram lady cheats on her diet and eats a 488-Calorie (488 kcal) jelly doughnut for breakfast. Determine how many stairs must the lady climb to perform an amount of mechanical work equivalent to the food energy in one jelly doughnut
The water pressure in the pipes in the basement of a tall house is 5.1 105 Pa. Calculate the water pressure on the second floor
A golfer hits a shot to a green that is elevated 3.20 m above the point where the ball is struck. find the speed of the ball just before it lands
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