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Assuming no heat is lost to the surroundings and neglibible heat loss from the container. Determine the total change in entropy as a result of the mixing process.
A large wrecking ball is held in place by two light steel cables. if the tension TA in the horizontal cable is 600 N, what is: a.) the tension TB in the other side that makes an angle of 40o with the
What is the beat frequency heard when two organ pipes, each open at both ends, are sounded together if one pipe is 58 cm long and the other is 67 cm long? (The speed of sound is 340 m/s)
A slit 0.30 mm wide is illuminated by light of wavelength 426 nm. A diffraction pattern is seen on a screen 2.8 m from the slit. what is the linear distance on the screen between the first diffracti
A single slit illuminated with a 500 nm light gives a diffraction pattern on a far screen. the 5th minimum occures at 7 degrees from the central maximum. At what angle does the 18th minimum occur?
Monochromatic light of 630 nm wavelength is used. the same slit, illuminated by new monochromatic light source, produces a diffraction pattern with the second minimum at a 60 ° angle from the ce
Eastimate the local wavelength of this function at x=4.0cm by averaging the distance to adjacent crests on either side.
The probe passes over an atom that is .05 nm tall off the surface. By what factor does the tunneling current increase?
A very powerful vacuum cleaner has a hose 2.68 cm in diameter. With the end of the hose placed perpendicularly on the flat face of a brick, what is the weight of the heaviest brick that the cleaner
Starting from the satellite on the Earth's surface, what is the minimum energy input necessary to place this satellite in orbit? Ignore air resistance but include the effect of the planet's daily ro
A cannon fires a cannon ball at 954.4 m/s in a straight line that passes directly over an observer's head. If the observer hears the sound of the cannon fire 2.53 seconds after he sees the cannon ba
A Carnot engine whose cold reservior temperature is 262.09 in Celsius has a thermal efficiency of 15.88%. By how much should the temperature of the hot reservior be increased to raise the efficiency
Assume the axis of the soenoid is perpendicular to the page, and the wires and current wind counter clockwise into the page. Assume the current for the straight wire is out of the page?
A charge q1 = 5 nC is placed at x = 0 and another charge q2 = -2 nC is placed at x = 2 .0 m. Where should a third positive charge be placed on the x axis so that the net force on it is zero?
In unit vector notation, what is the magnetic field at a point on the axis of the solenoid? Assume the axis of the soenoid is perpendicular to the page, and the wires and current wind counter clockw
The work function for metallic sodium is 2.7eV. (a) At what distance beyond the surface of metallic sodium is the electronâ€TMs probability density 10% of what it is at the surface?
Two long parallel wires carry unequal currents in opposite directions. The ratio of the currents is 3 to 1. The magnitude of the magnetic field at a point in the plane of the wires and 10 cm from ea
You produce an image of the Sun on a screen, using a thin lens whose focal length is 23.0 cm. What is the diameter of the image? (The mean radius of the Sun is 6.96 x 108 m and its mean distance fro
The internal energy of a gas is 1000 J. The gas is compressed adiabatically, and its volume decreases by 500 cm3. If the pressure applied on the gas during compression is 6 atm, what is the internal
Calculate a characteristic Reynold's number for an aircraft cruising at 1000km/hr. Make any assumptions necessary and justify them.
Suppose you perform a cross between two true-breeding stocks of garden peas, with respect to two characteristics of their flowers.
A mass of 0.40 kg, hanging from a spring with a spring constant of 80.0 N/m, is set into an up-and-down simple harmonic motion. If the mass is displaced from equilibrium by 0.10 m and released from
When the thinnest string is pressed down at this first fret, the string produces the highest frequency that can be played on that guitar, 2 317 Hz. The next lower note that is produced on the string
compute the EMF around the loop, the induced current in the loop, the net force on the loop, and its acceleration as it enters the field.
What is the direction of current through the smaller loop compared to the direction of current in the larger loop? Is it in the same or the opposite direction?