Physics, 06.12.2021 18:10 zibnmustafah
PLS HELP given the image here are the questions
i. Which runner, if either, is in the lead when t = 6.0 seconds? Justify your answer qualitatively without any equations.
ii. Justify your answer about which runner, if either, is in the lead when t=6.0 seconds using appropriate equations.
THANK YOU
Answers: 1
Physics, 22.06.2019 06:00
Juan created a chart to him study for a test. which headings best complete the chart? x: transparent objects y: opaque objects x: opaque objects y: transparent objects x: high frequency waves y: low frequency waves x: low frequency waves y: high frequency waves
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Physics, 22.06.2019 07:10
Search coils and credit cards. one practical way to measure magnetic field strength uses a small, closely wound coil called a search coil. the coil is initially held with its plane perpendicular to a magnetic field. the coil is then either quickly rotated a quarter-turn about a diameter or quickly pulled out of the field. (a) derive the equation relating the total charge q that flows through a search coil to the magnetic-field magnitude b. the search coil has n turns, each with area a, and the flux through the coil is decreased from its initial maximum value to zero in a time βt. the resistance of the coil is r, and the total charge is q = iβt, where i is the average current induced by the change in flux. (b) in a credit card reader, the magnetic strip on the back of a credit card is rapidly βswipedβ past a coil within the reader. explain, using the same ideas that underlie the operation of a search coil, how the reader can decode the information stored in the pattern of magnetization on the strip. (c) is it necessary that the credit card be βswipedβ through the reader at exactly the right speed? why or why not?
Answers: 2
Physics, 22.06.2019 12:10
Energy flows from the producer level to the level. is called
Answers: 1
PLS HELP given the image here are the questions
i. Which runner, if either, is in the lead when t...
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