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A 12.0L gas tank containing 3.40 moles of ideal He gas at 30.0C is placed inside a completely evacuated insulated bell jar of volume 37.0L. A small hole in the tank allows the He to leak out into the jar until the gas reaches a final equilibrium state with no more leakage.
1. Is the process reversible or irreversible?
2. What is the change in entropy of this system due to the leaking of the gas?
monochromatic light strikes a diffraction grating at normal incidence before illuminating a screen 2.10m away. find the distance between the two second-order maxima
Four identical charges (+2.9 µC each) are brought from infinity and fixed to a straight line. The charges are located 0.59 m apart. Decide the electric potential energy of this group.
An electron (mass: 9.11x10-31 kg; charge:1.60x10-19 C) moves from location A to location B solely under the influence of conservative forces, what is the speed of the electron at this point
a particle is thrown upwards from the ground. it experiences constant air resistance which produces a retardation of 2
a 0.700-kg ball is on the end of a rope that is 0.50 m in length. the ball and rope are attached to a pole and the
double stranded dna molecule negatively charged with a charge density of -e per nanometer1. what is the electric field
You have been instructed to calculate the amount of time it would take to drain 3/4 of a full, open tank in the shape of a octagon. Water flows from the tank at a rate (Q) that decreases with time.
Presume the rear view mirror on a car is convex with a radius of curvature of 21 m. If a motorcycle is 49 m behind the car, what is the magnification of the motorcycle? How does your answer change when the motorcycle is 14 m behind the car?
a 2.0 kg mass is hanging from a spring. when it is in equilibrium the spring is stretched 3.0 cm pasts its zero
A 21cm length of 0.30mm diameter nichrome wire is welded into a circular loop. What is the induced current in the loop
A sled of mass m is being pulled by a constant horizontal force of magnitude F. The coefficient of kinetic friction is Uk. find the power average created by force
A 1000kg truck is driving up a 10 degree slope. A 10g ornament hangs by a massless string from the rear-view mirror in truck.
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