Physics, 31.03.2021 20:10 tessalopezgarcia2345
What keeps food from going down our trachea? PLS DO NOT SEARCH IT UP
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Which type of current is produced by a wire breaking magnetic field lines and changing the polarity? a. alternating b. direct c. straight d. alternating and direct
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The frequency of a tuning fork can be found by the method shown. a long tube open at both ends is submerged in a beaker of water, and the vibrating tuning fork is placed near the top of the tube. the length l of the air column is adjusted by moving the tube vertically. the sound waves generated by the fork are reinforced when the length of the air column corresponds to one of the resonant frequencies of the tube. the smallest value for l for which a peak occurs in sound intensity is 7 cm. l what is the frequency of the tuning fork? the speed of sound in air is 345 m/s. answer in units of hz
Answers: 2
Physics, 23.06.2019 13:30
Two light bulbs each having a resistance of 3ohms are connected in series to a battery marked 12 volts. how much current will flow in the circuit
Answers: 1
What keeps food from going down our trachea? PLS DO NOT SEARCH IT UP...
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