The currents (Amperes)
in the two cases are calculated as power/voltage: <span>
510000W / 12000V = 42.5 A
510000W / 47000V = 10.85 A
<span>And that the power wasted in the two cases is calculated as current^2
x resistance:
(42.5 A)^2 (2.5 Ohms) = 4,515.625 W
(10.85 A)^2 (2.5 Ohms) = 294.30625 W
<span>So the amount of power saved is the difference:
<span>4,515.625 - 294.30625 = 4221.32 Watts</span></span></span></span>
<span>This is the main reason
why distribution grids aim to operate at the highest voltages possible.</span>
The acceleration of the object which moves from an initial step to a full halt given the distance traveled can be calculated through the equation,
d = v² / 2a
where d is distance, v is the velocity, and a is acceleration
Substituting the known values,
180 = (22.2 m/s)² / 2(a)
The value of a is equal to 1.369 m/s²
The force needed for the object to be stopped is equal to the product of the mass and the acceleration.
F = (1300 kg)(1.369 m/s²)
F = 1779.7 N
Answer: commander in chief of the armed forces
Explanation: as the president of the United state, president Bush has the power of the commander in chief of the armed forces of the United States. This give him power to issue command to the armed forces.
The formula for speed is distance divided by time.
Your answer is 81.6 km per hour.
All the light in an agn outburst is emitted: a. at the same frequency.
<h3>
What is an agn outburst
?</h3>
An active galactic nucleus (AGN) is a compact area at the core of a galaxy with much higher-than-normal brightness throughout at least some section of the electromagnetic spectrum and features indicating that the luminosity is not created by stars. Excessive non-stellar emission has been reported in radio, microwave, infrared, optical, ultra-violet, X-ray, and gamma ray wavebands. The non-stellar radiation emitted by an AGN is thought to be the product of matter accretion by a supermassive black hole at the heart of its host galaxy.
Active galactic nuclei are the most brilliant and enduring sources of electromagnetic radiation in the cosmos, and as such, they may be utilised to find faraway objects.
learn more about agn outburst refer
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