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A massless cylinder 49 cm long rests on a horizontal frictionless table. The cylinder is divided into two equal sections by a membrane, How far will the cylinder move if the membrane is removed
The total translational kinetic energy of the molecules of a sample of gas at 447 K is 1.33 x 10^4 J, Find the average translational kinetic energy of a single molecule
Find the rms speed and the average kinetic energy of a hydrogen atom at a temperature of 3.4x107 K. (At this temperature (3.4 x10^7)
Three point charges, -5.2 x 10-9 C, -8.1 x 10-9 C, and +7.7 x 10-9 C, are fixed at different positions on a circle. The total electric potential at the center of the circle is -2300 V
A charge of -2.87 ?C is fixed in place. From a horizontal distance of 0.0470 m, a particle of mass 7.43 x 10-3 kg and charge -9.14 ?C is fired with an initial speed of 60.0 m/s, How far does the par
Find the capacitance of a parallel plate capacitor that has two square plates both having a side length of 6 cm, where these plates are seperated by 15 mm
A small but measurable current of 7.4 x 10-10 A exists in a copper wire whose diameter is 2.9 mm, calculate the current density and electron drift speed
Compare and contrast the social, cultural, political, and economic practices of the expanding Islam world and post-Roman Western Europe during the early stages of the post-classical era.
Why do you think the nomadic peoples of Asia were so successful and influential during 1000 to 1500 period? What was different from earlier centuries? What were the limits of their success?
Compare and contrast the ethical teachings and philosophical views of Buddhism, Confucianism, and Christianity. What prinicples did these systems share, and what made them unique?
An object is being pushed up an inclined plane with a constant force F = 100. N. The plane makes an angle of 30.0° with respect to the horizontal, What is the mass of the object
What criteria did plutarch and author of 1 Maccabees use to evaluate the achievement of Alexander the Great?
What are the economic / political problems and conditions in Latin America and why after almost 200 years of independence Latin America still is poor and underdeveloped?
It's generally okay to ignore relativistic effects when a particle's speed is less than 1.0% of the speed of light, Find the accelerating potential difference that will bring electrons to that speed,
A uniform electric field exists between two conducting plates separated by 1.7mm . A dust grain with charge 65 nC between the plates feels a 26N electric force, Find the electric field
A 5.5- kg concrete block rests on a level table. A 3.1- kg mass is attached to the block by a string passing over a light, what is the coefficient of friction between the block and the table
A mass-spring system oscillates with an amplitude of 5.50cm. If the spring constant is 247N/m and the mass is 584g, determine the mechanical energy of the system
An object, which is initially at rest on a frictionless horizontal surface, is acted upon by four constant forces. How much total work is done on the object in 4.44 seconds
One of the new events in the 2002 Winter Olympics was the sport of skeleton (see photo), In the absence of nonconservative forces, such as friction and air resistance, what would be the speed of a ri
Two capacitors C1 = 3.2 ?F, C2 = 13.5 ?F are charged individually to V1 = 19.0 V, V2 = 5.6 V. Calculate the final potential difference across the plates of the capacitors once they are connected
The greatest ocean depths on earth are found in the Marianas Trench near the Philippines, where the depth of the bottom of the trench is about 11.0 km. Calculate the pressure due to the ocean at a d
A parallel-plate air capacitor of area A= 10.0 cm2 and plate separation d= 3.20 mm is charged by a battery to a voltage 50.0 V, how much additional charge will flow from the battery onto the positive
A seasoned mini golfer is trying to make par on a tricky hole #5, at what speed must the golfer hit the ball to land the ball in the hole
A particle with a charge of -60.0 nC is placed at the center of a nonconducting spherical shell of inner radius 20.0 cm and outer radius 24.0 cm, Calculate the speed of the proton
Two long, straight wires are parallel and are separated by a distance of d = 0.230 m, The top wire in the sketch carries current I1 = 3.80 A, toward the right, and the bottom wire carries current I2 =