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Light in a transparent material (index of refraction 1.333) strikes the boundary with another transparent material (n=1.010).
a. what is the critical angle for the total internal reflection?
b. By what percent does the wavelength change going from the 1st to the 2nd material?
A van with a mass m(v) moves along a frictionless road at v0 m/s when some heavy luggage is added to the top that weighs m(l) onto the roof
By holding a magnifying glass 35cm from your desk lamp, you can focus an image of the lamp's bulb on a wall 1.8m from the lamp
When a 700? resistor is connected across an AC power supply, the resistor dissipates energy at a rate of 15.0W. Find the maximum current through the resistor
Electrons are accelerated through a voltage difference of 265 kV inside a high voltage accelerator tube. What is the final kinetic energy of the electrons
Three beads are placed along a thin rod. The first bead has a mass m1=28g placed at a distance d1= 0.7 cm from the left of the rod. Calculate the numeric value of location of the center of mass relative to the middle bead in cm
In being launched from rest it moves through a distance of 87.00 m and has a kinetic energy of 4.5*10^7 J at lift-off. What is the work done on the jet by catapult.
A heat engine having an ideal monatomic gas as a working substance has a cycle consisting of the following three processes: isobaric expansion at 200 kPa.
q1. a fan at a rock concert is 30 m from the stage where the sound intensity level is 110 db. her eardrums have a
A 700 N car traveling at 25m/s.The breaks are applied suddenly and the car slides to a stop. The average breaking force between the tires and the road is 7100 N.How far will the car slide once the breaks are applied.
4 Skater A, mass 55.0 kg, moving at 14.0 m/s bumps into stationary Skater B, mass 65.0 kg. What are the final speeds of the two skaters
A reading on a Geiger counter of 0.23 mrad/h is based on assuming that the measured radiation is due to cesium-137, How many ?-rays does the person's body absorb every second
A planet orbits the sun with a period of 14 years? How far is the planet from the sun
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