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*List all electrical appliances in your house. ( Laptops, iPads, tvs, etched..)
*Determine the watts for each applicance.
*Calulcate the current each applicant uses. Let's say the electrical items are at 120V.
*list each applicance, watts used, and current used.
*list at least five items that use the electromagnetic spectrum. Explain how each item uses the spectrum.
question how do we calculate or determine the distances to stars? what units do we use and what are the limitations if
a bullet is fired with a speed of 736 ms. the speed of sound in the air is 343 ms. find the angle made by the shock
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Car headlights use concave mirrors. There's a concave mirror in the back of the headlight socket, and the actual light bulb is placed somewhere along the principal axis. Your question for this essay: where should that bulb be placed for the best h..
Starting from rest, a boat increases its speed to 4.27m/s with constant acceleration. If it takes the boat 4.57s to reach this speed (4.27m/s ), how far has it traveled
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Two loudspeakers on a concert stage are vibrating in phase. A listener is 57.5 m from the left speaker and 28.5 m from the right one. The listener can respond to all frequencies from 20 to 20 000 Hz, and the speed of sound is 343 m/s. What are the tw..
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