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An aquarium contains a 5 - cm layer of water ( n = 1.333) floating on top of carbon tetrachloride ( n = 1.461). If the angle of incidence into the water from the carbon tetrachloride is 20 ° , what is the angle of refraction into the air.
How does the decrease in gravitational potential energy of a falling ball compare to its increase in kinetic energy.
The mass density of an object is 17.3 g/cc, and its volume is determined to be 28.2 cc, What is the mass of the object
Following the procedure in the video, create three traces of the pendulum motion of the cup. Compare the three traces for amplitude, wavelength, and frequency.
A horizontal pipe contains water at a pressure of 111 kPa flowing with a speed of 1.8.00 m/s. The pipe narrows to one-half its original diameter. What are speed and pressure of the water while the pipe narrows?
A satellite is circling a small planet at a speed of 3.60 rev/day. If the satellite's orbit has a diameter of 30,000 km, how fast is the satellite moving
If the initial temperature of the horseshoe is 450 °C, and the initial temperature of the water is 45° C, what is the equilibrium temperature of the system? Presume no heat is exchanged with the surroundings.
A 10.39-m ladder with a mass of 24.8 kg lies flat on the ground. A painter grabs the top end of the ladder and pulls straight upward with a force of 264 N. What is the net torque acting on the ladder
A small ball with a mass of 49.0g and a charge of ?0.170?C is suspended from the ceiling by a string. What is the tension in the string when the second ball is directly beneath the first ball
Assuming the sun to be a blackbody with a surface temperature of 6000K, Determine the loss in solar mass per day due to this radiation
What is tension in each of the cables
A horizontal uniform bar of mass 2.7 and length 3.1 is hung horizontally on two vertical strings. String 1 is attached to the end of bar, and string 2 is attached a distance 0.7 from other end. A monkey of mass 1.6 walks from one end of the bar to th..
A parallel beam of light from a He-Ne laser, with a wavelength of 662nm, falls on two very narrow slits 0.050 mm apart. How far apart are the fringes in the center of the pattern if the screen is 2.5m away.
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