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1. A light wave was reflected off of a mirror at an angle of56°. What was the incident angle?
2. A light ray in water is incident on fused quartz at a 31° angle of incidence. Find the angle of refraction.
The attractive electrostatic force between thepoint charges+8.44*10^6 C and Q has a magnitude of 0.975 N when the separationbetween the charges is 1.31 m. find the sign and magnitude of the charge Q
for lunch you and your friends decide to stop at the nearest deli and have a sandwich made fresh for you with 0.100 kg
a 8.5 kg object undergoes an acceleration of 2.3 ms2.a what is the magnitude of the resultant force acting on it?b if
Close a door by pushing on the doorknob. Close the door again using approximately the same force but applying it 5 centimeters away from the hinges. Try again by applying the force on the edge of the door in a direction pointing toward the hinges. Su..
Calculate the force required to pull a copper ball of radius 3.00 cm upward through a fluid at the constant speed 8.00 cm/s
A thin transparent film has an index of refraction of 1.57. It consists of a flat plate with air on both sides of the film. Determine the minimum thickness of the plate
If a bungee cord is stretched horizontally to a length of 2.6 , the tension in the cord is 1.9. What is the tension in the 3.5-m-long cord
The ground state for a single valence electron of a rubidium atom (Z=37) is 5s and its energy is –4.18 eV. The valence electron is excited into the 5g state. We want to determine the energy of this 5g electron. Assume that the wave function for th..
A thin film of oil (n = 1.10) is located on smooth, wet pavement. When viewed from a direction perpendicular to the pavement, What is the minimum thickness of the oil film?
When a certain spring is stretched by an amount x, it produces a restoring force of F(x) = ax=bx^2, where a and b are constants. How much work is done through an external force in stretching the spring by an amount D from its equilibrium length.
An object is projected horizontally. what are the three factors which determine the horizontal distance traveled, how the velocity changes in each direction
A 200 MW laser pulse is focused with a lens to a diameter of2.0μm. find the laser beam's electric field amplitude at the focal point
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