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A flat sheet of crystalline quartz has athickness of 3.1 cm. It is on top of aflat sheet of diamond that has a thicknessof 3.0 cm. Light strikes the crystalline quartz perpendicularly and travels throughit and then through the diamond. In thetime it takes the light to travel through the two sheets, how far would it have traveled in a vacuum?
An airplane moves at 120 m/sec to the west with respect to the air. How fast does the airplane move
A microscope with an eyepiece lens of focal length 1.90 cm and an objective lens of focal length 1.15 cm is used to examine a section of the brain of a sacrificed rat. The distance between the lenses of the instrument is 24.0 cm and final image is vi..
A heater runs on an AC voltage of 120 V and draws a power of 26 W. If this heater were run instead on a DC voltage of 70 V, how much current would flow through the heater? Hint: The heater can be modeled as a resistor.
josh starts throwing his pitch we assume that his arm moves in a perfect circular arc and his arm is 0.7 m long. if he
question1a jet plane lands with a velocity of 112 ms and can accelerate at an utmost rate of -5.50 ms2 as it comes to
You were driving a car with velocity ‹ 19, 0, 11 › m/s. You quickly turned and braked, and your velocity became ‹ 13, 0, 15 › m/s. The mass of the car was 1200 kg. What was the (vector) change in momentum
A person, sitting on a stool rotating at a rate of 21 rpm, holds masses in each hand. When their arms are outstretched , the total rotational inertia of the system is 3.7 kg·m2. what is the new angular velocity of the system
in the absence of a nearby metal object the two inductances la and lb in a heterodyne metal detector are the same and
Two capacitors are connected in series. Let 3.40mF be the capacitance of first capacitor, Calculate the potential difference across each capacitor
The total translational kinetic energy of the molecules of a sample of gas at 447 K is 1.33 x 10^4 J, Find the average translational kinetic energy of a single molecule
The first player has an acceleration whose magnitude is 0.5 m/s^2 and the second player's has an acceleration of 0.3 m/s^2. Explain by how much time passes before hey collide?
0.015mol of a diatomic gas, with initial temperature 18 degrees C , How much heat is added during this process
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