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At night, you decide to go for a swim in the apartment complex pool. Your roommate come to find you. The roommate uses a flashlight and shines it on the pool. You are currently underwater and decide to apply what you learned in class that morning about light rays.
You roughly estimate that the roommate shines light rays on to the water at an angle of 52.1°. You know that air has an index of refraction of 1.0. The pool contains an unknown liquid. However, you also estimate that the light ray is refracted at an angle 37.3°. Determine the index of refraction of the unknown liquid.
Calculate the speed of a proton after it accelerates from rest through a potential difference of 160.
illuminate the object with the flashlight. One way to produce artificial gravity in a space station is to spin it.
The inside of the cylindrical can shown above has cross-sectional area 0.005 m^2 and length 0.15 m. The can is filled with an ideal gas and covered with the loose cap. The gas is heated to 363K and some is allowed to escape from the can so that re..
If the projectile rises to a maximum height of only 10.2 m, identify the magnitude of the average force due to air resistance.
A 1070-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A 1960-N crate hangs from the far end of the beam.
A long solenoid that has 1,060 turns uniformly distributed over a length of 0.395 m produces a magnetic field of magnitude 1.00 10-4 T at its center
Air at 1 ATM & 80 °C is fed to a chiller. The air contains water vapour at 15 degrees of superheat. The air stream is chilled to condense 50% of the water in the feed. At what temperature must the chiller operate if the product streams are also at..
An orienter runs the following course: 100 m at 35 degrees, 150 m at 220 degrees, and 50 meters at 170 degrees. find the resultant displacement.
A 770 kg car moving at 21 m/s brakes to a stop. The brakes contain about 15 kg of iron, which absorbs the energy. What is the increase in temperature of the brakes.
The acceleration of a certain simple harmonic oscillator is given by a = - (15.8 m/s2) cos (2.51t). What is the amplitude of simple harmonic motion.
At the instant the traffic light turns green, an automobile starts with a constant acceleration a of 2.2 m/s2, How fast will the automobile be traveling at that instant
solenoid is formed by winding 23.0 m of insulated silver (resistivity 1.59 x 10-8 Ω·m) wire around a hollow cylinder. The turns are wound as closely as possible without overlapping, and insulating coat on the wire is negligibly thin.
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