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Two parallel wires are 5 m long. They are seperated by a perpendicular distance of 1 cm and carry currents of 20 A, and 100 A in the opposite directions. Find the interaction force between the wires.
two conducting spheres, one of radius 6.0 cm, and the other of radius 120 cm, each have a charge of 20 nC, calculate the surface charge density of each sphere
Two shuffleboard disks of equal mass, one orange and the other yellow, are involved in an elastic, glancing collision. Determine the final speed of each disk
A high-energy pulsed laser emits a 1.0-ns-longpulse of average power 1.7×1011W . The beam is nearly a cylinder 2.5×10?3m in radius and it travels in free space. Determine the energy delivered in each pulse.
The sodium D line is a doublet consisting of two wavelengths, 588.995 and 589.592 nm. Calculate the angular separation between these two lines in the first-order spectrum for a grating with 4000 lines per centimeter. Repeat for the second order.
A 1200g model rocket is resting horizontally at the top edge of a 40-m-high wall when it is accidentally bumped, How far from the base of the wall does the rocket land
A block of glass with flat sides is surrounded by air. A ray of light traveling in the glass (refractive index na) is incident on the flat interface with air at the top surface of the block of glass, What is the refractive index of the glass
Find out an acceleration of mass and tension in the string
A van der waals gas undergoes an isothermal expansion from specific volume V1 to specific volume V2, Calculate the change in the specific Helmholtz function
An airplane must reach a speed of 172 mi/h to take off. If the runway is 470 m long, what is the minimum value of the acceleration that would allow the airplane to take off productively.
A transformer has 350 primary turns and 1390 secondary turns. The input voltage is 120?V and the output current is 18.0A, find the output voltage and input current
As F is enhancement d, the block would either begin to slide, or begin to tip over. What must be the coefficient of static friction ms so that the block begins to slide rather than tip.
The helium-neon lasers most commonly used in student physics laboratories have average power outputs of 0.250 mW, Find the peak electric field strength
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