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Two resistors when connected in series to a 110 Volt line use one-fourth the power that is used when they are connected in parallel.
If one resistor is 2.9 kilo ohm, find what is the resistance of the other?
A 50 kg block is tied to a 100kg block by a horizontal rope. What is the tension in the rope between the two blocks
Coherent light with wavelength 609 passes through two very narrow slits, and interference pattern is observed on a screen a distance of 3 from the slits.
A screen is placed 1.10 m behind a single slit. The central maximum in the resulting diffraction pattern on the screen is 1.80 cm wide-that is, the two first-order diffraction minima are separated with 1.80 cm.
Two equally charged, 1.00 {rm g} spheres are placed with 2.00 {rm cm} between their centers. When free, each begins to acceleration speed at 225 {rm m/s^2}. What is the magnitude of the charge on each sphere.
A piece of Nichrome wire has a radius of 5.00 x10-4 m. It is used in a laboratory to make a heater that uses 2.00 102 W of power when connected to a voltage source of 120 V. Ignoring an effect of temperature on resistance, estimate the necessary l..
A power cycle operates between a lake's surface water at a temperature of 300l and water at a depth whose temperature is 285 K. at steady state the cycle develops a power output of 10KW, while rejecting energy by heat transfer to the lower tempera..
using the simulation adjust the transmitter so that it is in sinusoidal mode and the electrons are oscillating up and
The pendulum pictured above has a length of 15.0 cm when it is displaced to the right of the peg, Determine the period for this pendulum close to the surface of the Earth
A nuclear power plant operates at 76% of its maximum theoretical Carnot efficiency between temperatures of 630C and 360C. how much exhaust heat is discharged per hour
A 63.5kg astronaut is doing a repair in space on the orbiting space station. She throws a 2.35kg tool away from her at 3.60m/s relative to the space station. With what speed will she begin to move\\
a 3.81-khz tone is being produced by a speaker with a diameter of 0.217 m. the air temperature changes from 0 to 29.8
Two particles with equal mass have charges of 1.0 microCoulombs and 3.0 nanoCoulombs respectively. What must be their mass if their mutual gravitational attraction is to equal their Coulomb repulsion?
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