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With air as the top medium and water as the bottom medium, use your protractor to adjust your laser to so it creates an angle of incidence of 30o. What is the angle of reflection? What is the angle of refraction? Using Snell's Law equation, what is the mathematical solution for θ2?
An astronaut on the Mars attaches a small brass ball to a 1.00- length of string and makes a simple pendulum. She times 13 complete swings in a time of 35.4 seconds. From this measurement she calculates the acceleration due to gravity on the Mars.
A vibrating stretched string has length 49 cm, mass 12 grams and is under a tension of 44 newtons. What is the frequency to the nearest Hz of its 3rd harmonic?
An ideal monotonic gas is compressed at a constant pressure of 0.9 atm from 18 L to 4.5 L. Note: Atmospheric pressure is 1.013x105 Pa. By how many cubic meters is the volume reduced? What is the work done on the gas? What was the change in the intern..
A block of mass=0.750kg is fastened to an unstrained horizontal spring whose spring constant is k=65.0N/m. The block is given a displacment of 0.220m and then released from the rest.
When a clock reads 3 s, a cart's velocity in the positive x direction reads 5m/s, What is the magnitude in m/s^2 of the acceleration of the cart
A hot-air balloon has just lifted off and is rising at the constant rate of 2.4m/s. how high is she when the camera reaches her
An electric device, which heats water by immersing a resistance wire in the water, What is the resistance of the heater wire
a helicopter is lifting two crates simultaneously. one crate with a mass of 148 kg is attached to the helicopter by
Bicyclists in the Tour de France reach speeds of 31.0 miles per hour (mi/h) on flat sections of theroad. What is this speed in meters per second
A uniform marble rolls down a symmetric bowl, starting from rest at the top of the left side. The top of each side is a distance { h} above the bottom of the bowl.
A 60.0-g object is attached to a horizontal spring with a force constant of 15.0 N/m, What is the velocity of the object
Assume 3 mol of neon (an ideal monatomic gas) at STP is compressed slowly and isothermally to 0.25 the original volume. The gas is then allowed to expand quickly and adiabatically back to its original volume.
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