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Discuss the explanation of the apparent color of an object based on the color of the light illuminating it.
An equation of state for a certain material is found to be pV2 – aTV = bT, where a and b are constants. In terms of p, V, T, find (i) the coefficient of thermal expansion, and (ii) the isothermal compressibility.
A 28-m3 tank is filled with 2910 moles of an ideal gas. The temperature of the gas is initially 302 K, but it is raised to 740 K. find the change in the pressure of the gas inside the tank
Please calculate the concentration (in moles/m^3) of oxygen in the air (21% oxygen) assuming it acts as an ideal gas at 20 degrees C. What is the average speed for such a molecule
What key compound makes photosynthesis in green plants possible? Of what importance is the atmospheric ozone layer? What causes the displays of lights called auroras?
Consider the spherical Gaussian surface shown in the figure below. It is situated near a point charge Q which is located a distance 4r from the center of the sphere and outside the Gaussian surface. Calculate the net electric flux during this surface..
As noted above, the volume of a sphere is 4/3 pi^3. Write out an equivalent expression of this volume in terms of its diameter (d) since it is d that will be gauged: (an exercise in algebra)
Arrive at a reasonable estimate of N, the number of intelligent civilizations in our galaxy-the whole point of Drake's equation.
The Sun appears to move across the sky because the Earth spins on its axis. Find how much time in seconds does it take for the Sun to move a distance similar to its own diameter
q1. a woman rides a carnival ferris wheel at radius 13 m completing 4.0 turns about its horizontal axis every minute.
A 1.0 kohm resistor is connected in series with a 10 mH inductor, a 30 V battery, and an open switch. at time t=0, the switch is suddenly closed. What are the voltage drops Vr and Vl 20.00 us after the switch is closed.
A steel beam 10m long is installed in a structure at20oC. What are the beam's changes in length at thetemperature extremes of -30oC to45oC
A 2.9cm --diameter parallel-plate capacitor has a 1.6mm spacing. The electric field strength inside the capacitor is 8.0×104 V/m. How much charge is on each plate
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