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Consider 2 neighboring Ar atoms in a system of pure Ar at 25 bar and 300 K
(a) What is the average distance between them (in Å)?
(b) Calculate the potential energy due to gravity (between the two atoms).
(c) Calculate the potential energy due to London interactions.
(d) Compare the values obtained in parts (b) and (c).
A firework explodes 120 m above the ground. Determine the time difference between two observers hearing the explosion
The lens of an endoscope is carefully matched such that the light ray from the edge of the lens enters the fiber at an angle. What focal length should the lens have
You have been visiting a distant planet. Your measurements have determined that the planet's mass is four times that of earth but the free-fall acceleration at the surface is only one-fourth as large
a man sitting in a bosun's chair that dangles from a massless rope, which runs over a massless frictionless pulley, In each of the four cases, what is the force exerted on the ceiling by the pulley system
At an outdoor market, a bunch of bananas attached to the bottom of a vertical spring of force constant 16.0 N/m is set into oscillatory motion with an amplitude of 20.0 cm. What is the weight of the bananas in newtons
What is the bandwidth of the grating in nm? What is the Reflectivity (in %) and Transmission (in dB)? Will this grating be any good for filtering unpolarized light?
10 Volts is applied to a resistor. 2 amps flow through the resistor. Determine what is the resistors value
A 100 ohm resistor, a 50 ohm resistor, and a 20 ohm resistor are associated in parallel and placed across a potential difference of 35 V. What is the current during the entire circuit? What is the total resistance of the parallel circuit?
The amplitude of a system moving with simple harmonic motion is doubled. The total energy will the be:
A convex mirror has a focal length of magnitude 7.63 cm. Find the magnification of the image.
What is the resultant velocity of the motor boat. What distance downstream does the boat reach opposite shore.
A packing crate is placed on a plane inclined at an angle of 35o from horizontal. If the coefficient of static friction between the crate and the plane is 0.65, will the crate slide down the plane? Justify your answer.
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