Physics, 16.11.2019 16:31, stacysadousky
Which of the following has to happen before the eardrum begins to vibrate with the same frequency as the source of the sound waves? a. vibrations have to be transmitted to the fibers of the auditory nerve. b. impulses have to be sent to the brain through the auditory nerve. c. the outer ear has to collect the sound waves and lead them to the middle ear. d. the brain has to interpret the direction from which the sounds are being delivered.
Answers: 3
Physics, 21.06.2019 17:30, nana54muller
Acatapult is tested by roman legionnaires. they tabulate the results in a papyrus and 2000 years later the archaeological team reads (distances translated into modern units): range = 0.4 km; angle of launch = Ο/5 rad; landing height = launch height. what is the initial velocity of launch of the boulders if air resistance is negligible?
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Physics, 22.06.2019 03:00, emilypzamora11
If a spring has a k value of 100 newtons per meter and it is stretched 0.50 meters, what is the restoring force of the spring?
Answers: 2
Physics, 22.06.2019 06:30, kdfawesome5582
Apebble is thrown into a calm lake, ripples are formed from the center and move outward. the water particles in the lake travel in a circular pattern that moves up and down on the surface of a lake, and the energy travels a) diagonally. b) downward. c) horizontally. d) upward.
Answers: 2
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