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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 70kg block is pushed 5m up an incline against a friction force of 50N. The block is pushed to a height 1m above the ground. How much work is done by the person on the block
Monochromatic light shines on a single slit of width 0.55mm. On a screen 2.0 m waya, if the first dark fringe is displaced 2 mm from the central maximum, what is the wavelength of the light?
When DNA absorbs a sufficiently energetic photon it can break bonds, and reactions can happen that lead to cancer. Show by a calculation why ultraviolet light exposure is a cancer risk and explain your reasoning.
Obtain the relationship between the wave speed, frequency, and wavelength? Find the relationship between the wave speed and physical parameters of the string system? Explain how are the two expressions related
What is the coefficient of friction for the surface?
Two straight wires run parallel to each other, each carrying a current in the direction shown below. The two wires experience a force in which direction? B) What happens when one of the currents is turned off?
A bucket filled w/water has a mass of 30kg and is attached to arope that is wound around a cylinder w/radius of 50cm at the top ofa well. What torque does the weight of the water and bucket produce on the cylinder?(g=9.81 m/s2, take care of units1..
A circuit containing an inductor and a capacitor in series is designed to have a resonant frequency of 3894 Hz. if the inductance 1.11 mH, What is the required capacitance of the capacitor
A person takes a trip, driving with a constant speed of 95.5 km/h, except for a 24.0-min rest stop. The person's average speed is 65.4 km/h. How far does the person travel
The equation F = arv + br2v2 gives the magnitude of the resistive force (in newtons) exerted on a sphere of radius r (in meters) by a stream of air moving at speed v (in meters per second), where a and b are constants with appropriate SI units.
Balance the meter stick at its center of gravity and hang an unknown mass (e.g. your keys) at the 90 cm mark. Place the 200-g mass on the meter stick at a location until equilibrium is reached. Record this position. what is the advantage of having th..
A 12.0-g piece of Styrofoam carries a net charge of -0.746 µC and is suspended in equilibrium above the center of a large, What is the charge per unit area on the plastic sheet
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