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A quantity of gas in a piston cylinder has a volume of 0.544 m3 and a pressure of 200 Pa. The piston compresses the gas to 0.126 m3 in an isothermal (constant-temperature) process. What is the final pressure of the gas? Pa A periodic wave has a frequency of 8.9 Hz. What is the wave period? ?
A proton moves through a uniform magnetic field given by B= (10i ? 18.0j + 30k ) mT. At time t1, the proton has a velocity given by = v xi + vyj + (2000 m/s)k and the magnetic force on the proton is FB = (3.77 e-17 N)i + (2.10 e17 N)j . (a) At that i..
An electron is confined to move in the xy plane in a rectangle whose dimensions are Lx and Ly. That is, the electron is trapped in a two-dimensional potential well having lengths of Lx and Ly. In this situation, the allowed energies of the electron d..
Suppose the light bulb in the figure below is replaced with a short wire of zero resistance, and the resistance of the rails is negligible. The only resistance is from the moving rod, which is The rod has a cross-sectional area of m2 and moves with a..
A golfer lines up for her first putt at a hole that is 10.5 m exactly north west of her ball's location. She hits the ball 10.5 m and straight, but at the wrong angle, 41 degrees from due north.
A positron is a particle with the same mass and magnitude charge as an electron, but a positron has a positive charge. If a positron and electron are held a distance of 0.900 pm apart and then both are released from rest, when they are 0.324 pm away ..
The sun appears to move across the sky, because the earth spins on its axis. To a person standing on the earth, the sun subtends an angle of sun = 9.30 x 10-3 rad (see Conceptual Example 2). How much time (in seconds) does it take for the sun to move..
In the figure, a 4.0 kg block slides along a track from one level to a higher level after passing through an intermediate valley. The track is frictionless until the block reaches the higher level. There a frictional force stops the block in a distan..
In the figure, a block of mass m = 12 kg is released from rest on a frictionless incline of angle ? = 26°. Below the block is a spring that can be compressed 2.8 cm by a force of 330 N. The block momentarily stops when it compresses the spring by 6.9..
A spring-loaded toy gun is used to shoot a ball of mass straight up in the air, as shown in the figure. (Figure 1) The spring has spring constant . If the spring is compressed a distance of 25.0 centimeters from its equilibrium position and then r..
A 2.4 g marble is fired vertically upward using a spring gun. The spring must be compressed 8.0 cm if the marble is to just reach a target 20 m above the marble's position on the compressed spring.
A particle with a charge 3.2 x 10^-19 C is moving at a speed of 5x10^7 m/s that makes an angle of 40 degrees with respect to a uniform magnetic field B, Determine the magnetic field strength B
On a frozen pond, a 11.3 kg sled is given a kick that imparts to it an initial speed of v0 = 1.69 m/s. Use the work kinetic energy theorem to find the distance the sled moves before coming to rest
A rectangular container measuring 26 cm 47 cm 59 cm is filled with water. What is the mass of this volume of water in kilograms and grams.
Starting from the definition of the spherical harmonics in terms of Legendre polynomials, derive Y30(θ,φ), Y31(θ,φ), and Y32(θ,φ). Write down the differential operators corresponding to the L2 and Lz operators in spherical coordinates.
A 3-MOhms resistor is connected in series with a 2 micro Farrad capacitor and a 6.0 V battery of negligible internal resistance
A 30 g ball of clay is thrown horizontally at 20 m/s toward a 1.7 kg block sitting at rest on a frictionless hi surface. The clayts and sticks to the block. What is the speed of the block and clay right after the collision?
A solid cylindrical disk is to be used as a stabilizer in a ship. By using a massive disk rotating in the hold of the ship, the captain knows that a large torque is required to tilt its angular momentum vector.
A circular wire loop of area 0.18m squared carries a current of 4 A. the coil lies in a horizontal plane with the current flowing in the counterclockwise direction when viewed from above. At this point the earth’s magnetic field is 1.2x10^-4 T direct..
A solenoid 3.0 cm long consists of 3921 loops of wire. If the magnetic field inside the solenoid is 4.0 T, what is the magnitude of the current that flows through it
Two particles with Q1 = 50 µC and Q2 = 79 µC are initially separated by a distance of 2.4 m, What is the change in the electric potential energy
A 4.0 capacitor is connected in series to a resistor. If an emf source is connected in series to this arrangement, what is the resistance of the circuit
The filament of a light bulb has a temperature of 2.64 x 103 °C and radiates 60.0 W of power. The emissivity of the filament is 0.388. Find the surface area of the filament
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