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A coal-fired power plant, with parameters similar to those used in the text above, is to deliver 1 GW (109 watts) of power. Estimate the amount of steam (in kilograms) that must pass through the turbine(s) each second.
A loudspeaker of mass 18.00 kg is suspended a distance of h= 1.60.below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of t= 3.90 m. What is the tension in each of the cables? Use 9.80 for the magnitude ..
Two sound speakers separated by a distance of 3-meters, are driven in phase by same audio amplifier. A listener sits directly in front of one speaker at a distance of 4 meters from it so that listener and speakers form a right triangle.
Two unfortunate climbers, roped together, are sliding freely down an icy mountainside. The upp climber(mass 73 kg) is on a 12 degree slope to the Horizontal, but the lower climber(mass63kg) has gone over edge to a steeper slop of 38 degrees.
The electric field in a certain region is given by the equation: E=(axn-b)i, where a = 19 N/(Cmn), b = 6 N/C and n = 5. Find the electric potential difference
the minimum stopping distance for a car traveling at a speed of 30 ms is 60 m including the distance traveled during
What does a low pass filter do? How does it change/not change theinput signal? What is the difference between a low pass and high pass filter? Explain how to determine the cut off frequency of a low pass filter, based on what happens to theamplitu..
A rocket skateboard of mass 3 kilogram has an initial velocity of (5.00, 2.50) m/s. A net force of (3.40, 2.67) Newton is applied to it for 10 second. At the end of this time, evaluate what is its velocity
A spring scale is fastened to the ceiling of a railway car. When a 1.0-kg block is hung from the scale, it reads 12 N and is oriented as shown in the figure. What is the approximate acceleration of the car as measured by an observer at rest on the ..
How much charge does the thundercloud contain, in coulombs per square meter of horizontal area? Assume that the width of the cloud is large compared with the height above the ground.
question when resistence of 2 ohm is connected across the terminals of a cell the current is 0.5 ampere when resistence
a series rc circuit has a time constant of 1.0 s. the battery has a voltage of 50 v and the maximum current just after
A sealed glass jar contains air initially at a pressure of 1.00 atm and temperature of 0° C. Discover the air pressure when the jar is heated to 271° C. The linear expansion coefficient of the glass is 9.70*10-6 (C°)-1.
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