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Through a cycle, a heat engine receives 2.78×104 J of heat from the hot reservoir and gives up 1.83×104 J of heat to the cold reservoir. (a) What is the net work performed through one cycle? Make sure to include the correct sign. (b) Is work done on the system, or does the system do work on its surroundings?
A solid spherical ball of mass 1.27 kg and radius 0.12 m rolls along a smooth, level surface with a speed of 2 m/s. How far up the plane does the ball go
A transparent film has a thickness of 0.003250 cm, and a refractive index of 1.4000. Find the order of interference at theta=0 degrees
An air puck of mass \(m_{1}\) is tied to a string and allowed to revolve in a circle of radius R on a frictionless horizontal table. determine the radial force acting on the puck
A photon of energy 50 MeV moves along the x-axis and Compton scatters with an electron initially at rest. After the collision the resulting photon is observed traveling along the y-axis and the electron has recoiled.
Optimums Prime is flying straight up at 72m/s when he accidentally drops his mega-ray blaster and it falls 81 m to the ground below. Compute how long it takes for his mega-ray blaster to hit the ground.
How much voltage must be used to accelerate a proton (radius 1.2x10^-15m ) so that it has sufficient energy to just penetrate a silicon nucleus? A silicon nucleus has a charge of , and its radius is about 3.6 x10^-15m. Assume the potential is that fo..
one capacitor with two flat conductors are seperated with 4mm. the area of each plate is 5m^2. one plate has charge of +200mC , calculate the capacitance of the device
A flat circle of radius 17 cm is placed in a uniform electric field of magnitude 6.2 102 N/C. What is the electric flux through the circle when its face is perpendicular to the field lines
A ball swings in a vertical circle at the end of a rope 1.40 m long. When the ball is 36.3° past the lowest point on its way up, Determine the magnitude of its radial acceleration
Two 2.40cm--diameter disks spaced 1.90mm apart form a parallel-plate capacitor. determine the electron's speed as it left the negative plate
a red laser pointer with a wavelength of 635 nm is shined on a double slit producing a diffraction pattern on a screen
consider a harmonic oscialltor of mass m under a restoring force -kx and damping force -bx. it is displaced at a and
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