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100 MW of electrical power is delivered at 200 kV to adistribution center over a transmission line which consumers 10% ofthe total power developed by the generating station in heat losses.a) What is the value of the voltage fed to the transmission line at the generator end?b) How much power would be delivered to the same load if theresistance of the transmission line was halved but the generatorvoltage was unaltered?
How to find out the elapsed time
The wiring in the wall of your house to and from an outlet has a total resistance of typically 0.16 ohm . Suppose a device plugged into a 120 V outlet draws 14.9 A of current. (a) What is the voltage drop along the wire?
The pitch of the sound from a race car engine drops the musical interval of a tenth when it passes the spectators. How fast is the race car moving
A rotating wheel requires 6.00 s to rotate 30.0 revolutions, What is the constant angular acceleration (in rad/s) of the wheel
A single convex lens projects a focused image of an object onto a screen. If the lens is 15 cm from the object and and 36 cm from the screen, what is the focal length of the lens
A puck slides on a surface for 5.6 m before it stops. If it was moving at a velocity of 15 m/s and has a mass of 1.2 kg, what is the force of friction exerted on the puck
A balloon with a radius of 14cm and an electric charge of 3.75x10^-9 C is brought within the electric field of the larger balloon so their centres are 40cm apart. find the magnitude of the electric force exerted by this electric field on the small..
A person lies on a balance board as shown in the figure below. The person weights 80 kg, and the scaleunder the person's feetreads 30 kg. Compute the position of the person's center of gravity
A 0.159 kg toy is undergoing SHM on the end of a horizontal spring with force constant 310 N/m. Find the total energy of the object at any point in its motion
In a double-slit experiment, the second-order bright fringe is observed at an angle of 0.62°. If the slit separation is 0.10 mm, then what is the wavelength of the light? I'm getting 5.4104e-6 nm? But I'm not sure what I'm doing wrong. I've tried it ..
The pressure in a traveling sound wave is given by the equation %u0394p=(1.50 Pa)sin((%u03C0/2.)*(0.90 m-1x -297.0 s-1 * t)). Find the pressure amplitude
A uniform linear charge density of 4.0nC/m is distributed along the entire x-axis. Determine the electric flux through this surface
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