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Light of wavelength 612 nm in a vacuum travels 1.57 pm in a medium of index of refraction 1.51. Find (a) the wavelength in the medium, (b) the optical path length, and (c) the phase difference after moving that distance, with respect to light travelling the same distance in a vacuum.
Two ideal gases have the same mass density and the same absolute pressure. One of the gases is helium (He), What is the temperature of the neon
An object is initially placed on the optical axis 21.2 cm to the left of a convex lens that has a focal length of 12.1 cm. what is the new image distance
A photon, a packet of electromagnetic radiation, carries both energy and momentum. Consider a photon with a wavelength of 457 nm in vacuum. What is the momentum of the photon
Two ice skaters, Daniel (mass 65.0 kg) and Rebecca (mass 45.0kg), are practicing. Daniel stops to tie his shoelace and,while at rest, find direction of Daniel's velocity after the collision
An atomic nucleus of mass m traveling with speed v collides elastically with a target particle of mass 2m initially at rest and is scattered an 90 degrees. what angle does the target particle move after collision
If the density of conduction electrons is 10^27 m^3 and the wire has a radius of one millimeter, what is the electrical current through this wire
An plane and pilot have a total mass of 168 kg. While executing a banked curve of radius 20 m at a speed of 12 m/s
A toy car is driven by a battery of 9 V. It draws a current of 2mA. What is the resistance of the toy car
A Carnot engine whose high-temperature reservoir is at 680K takes in 570J of heat at this temperature in each cycle and gives up 350J to the low-temperature reservoir. What is the temperature of the low-temperature reservoir
The flywheel of a motor has a mass of 300kg and a moment of inertia of 580kg?m2. The motor develops a constant torque of 2000N?m, What is the angular acceleration of the flywheel
Wonder Woman and Superman fly to an altitude of 1650 km, carrying betwen them a chest full of jewels that they intend to put into orbit around Earth. At what speed does the chest impact the surface of the water
Communications satellites are placed in a circular orbit where they stay directly over a fixed point on the equator as the earth rotates. What is the apparent weight of a 2000 kg satellite in a geosynchronous orbit
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