Physics, 25.05.2021 14:30 caldonjoshhsms2061
How does sound travel from its source to your ear?
(a) by changes in air pressure
(b) by vibrations in wires or strings
(c) by electromagnetic waves
(d) by infrared waves
Answers: 3
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The electric field direction is defined by the direction of the force felt by (select one of the following answers): 1. a negative charge. 2. a positive charge. 3. both positive and negative charges.
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How does sound travel from its source to your ear?
(a) by changes in air pressure
(b) by vibr...
(b) by vibr...
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