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A massive pulley in the shape of a solid disk is mounted on an axle with negligible friction. What is the mass of the pulley
Write the differential form of the energy and entropy representations of the fundamental equation. Identify the new intensive variables and how they relate to partial derivatives of the fundamental
A very powerful vacuum cleaner has a hose 2.61 cm in diameter. With no nozzle on the hose, what is the weight of the heaviest brick that the cleaner can lift
Assume the form ?=Ne^(-ax^2) for the ground-state wavefunction of the harmonic oscillator, and substitute this into the schrodinger equatoin. Find the value of a that makes this an eigenfunction.
A skydiver reaches a "terminal velocity" of 120 km/h. If the skydiver has a mass of 59kg, what is the magnitude of the upward force on the skydiver
Plutonium has a half life of 2.4 × 104 years. How long does it take for 99% of the plutonium to decay, What is the binding energy of the 4He nucleus
There are three point charges on the x-axis. One is at the origin and has a charge of 4 coulombs. The second is at 0.2 meters, What is the elctric potential energy of this arrangement
Find the angular velocity of a centrifuge in which a particle 10 cm from the axis of rotation experiences a radial acceleration of 10^3 times g
A block of mass m = 309 g is dragged with a string across a rough horizontal table. The string tension is T = 3.59 N, What is the power supplied by the force of friction
A Cepheid variable has been found to have a period of 22 days, from this its luminosity is determined to be 2.8 x 1029 W, calculate the distance to the Cepheid
A small plane is dropping emergency supplies to a fishing boat that has been blown out to sea. How far from the boat will the supplies land
A beam of nuclei is used for cancer therapy. Each nucleus has an energy of 183 MeV, How many nuclei are in the beam
Atennis ball of mass 5.5*10-2and a speed of 39 M/s strikes a wall at a 45 degree angle, what is the direction of of the balls impuse in relation to the wall
bob whose mass is 36 kg stands at the center of a 200 kg merry-go-round that is spinning at 30 rpm. What is the spinning rate now
Compute the linear momentum and angulat momentum of a Frisbee of mass 0.16 kg. if it has a linear speed 0f 2.0 m/s and an angular velocity of 50 rad/s
During a Carnot cycle, in the first process, an ideal gas is expanded isothermally at 500 K. 1,000 J of heat enters the system, What is the magnitude of Q that leaves the system
two capacitors, when connected in series have an equivalent capacitance of 200 microfarads. calculate the capacitance of each capcitor
An advertisement shows a 1239 kg car slowly pulling at constant speed a large passenger airplane to demonstrate the power of its newly-designed 79.7-hp (horsepower) engine, How much work is performe
A baton twirler is twirling her baton in a horizontal circle at a rate of 3.35 revolutions per second. Calculate the induced EMF between the center and one end of the baton
A block of mass m = 364 g is dragged with a string across a rough horizontal table. The string tension is T = 2.79 N, What is the power supplied by the force of friction
Two light sources are used in a photoelectric experiment to determine the work function for a particular metal surface. What stopping potential would be observed when using light from a red lamp
The radius of our Sun is 6.96*10^8 m, and its total power output is 3.85*10^26 W. find lambda-max for the Sun
Read the following instructions to complete this assignment:
A triangle has sides measuring x+7, 2x+3, and 5x-6. Write and simplify an expression that represents the perimeter of the triangle.
Dan works on commission and earns 4% on all of his sales. In month 1, he sold $25,000; month 2 was $17,000; and month 3 was $34,000. 18% of his total earnings are taken out for taxes. Calculate