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A 1.9x10^14 Hz electromagnetic wave propagates in carbon tetrachloride with a speed of 2.05x10^8 m/s. The wavelength of the wave in the vacuum is closest to?
A ball is thrown straight up with a velocity of 18.0 m/s from the edge of the top of a building 30 meters tall. What is the balls velocity just before striking the ground
A proton and an electron are fixed in space with a separation of 911 nm. Calculate the electric potential at the midpoint between the two particles, Find the potential and the magnitude of the force.
Resistances of 2.9 ?, 4.5 ?, and 6.8 ? and a 17.1 V battery are all in series. Find the potential difference across the first (2.9 ?) resistor.
A toroid having a 7.2 cm square cross section and inside radius of 22.8 cm has 170 turns of wire and carries a current of 1.8 A. What is the magnetic flux through the cross section
Helium forms a solid at low temperatures and high pressures. To maintain the order present in a solid, each atom must remain at its assigned position, Find the uncertainty in momentum of the helium atom
Assuming that each cubic centimeter of water has a mass of exactly 1 g, find the mass of 9.97 cubic meter of water in kg
Eight identical, non-interacting particles are placed in a cubical box of sides L = 0.2 nm. Find the lowest energy of the system (in electron volts) and list the quantum numbers of all occupied states if (a) particles are electrons and (b) particles..
At what angle to the surface must a diver submerged in a lake look toward surface to see the setting Sun just all along the horizon.
In the H atom the radius of orbit B is 16 times greater than the radius of orbit A. What is the total energy of the electron in orbit B
A person exerts a force of 120N on a rope that pulls a sled across a very smooth surface. The rope is oriented 37 degrees above the horizontal. Determine the speed of the sled after moving for 10 m
A passenger on a stopped bus notices that rain is falling vertically just outside the window. Find the speed of the raindrops, given that the bus is moving with a speed of 17.2 m/s
The vapor pressure of benzene is 100 mm Hg at 26.1 C and 400 mm Hg at 60.6 C. Estimate the heat of vaporazitaion of benzene in this temperature range
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