A child on a swing attains higher amplitudes by employing Answer a. refractions. b. resonance. c. reflections. d. interference.
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Asked 2/5/2012 6:51:07 PM
Updated 1/4/2018 6:43:42 PM
This answer has been confirmed as correct and helpful.
Edited by Janet17 [1/4/2018 6:43:36 PM], Confirmed by Janet17 [1/4/2018 6:43:42 PM]
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Original conversation
User: The Doppler effect arises from changes in Answer a. frequency due to motion. b. the speed of sound due to motion. c. both frequency and speed. d. neither frequency nor speed.

User: A child on a swing attains higher amplitudes by employing Answer a. refractions. b. resonance. c. reflections. d. interference.

Weegy: A child on a swing attains higher amplitudes by employing: resonance.

Question
Asked 2/5/2012 6:51:07 PM
Updated 1/4/2018 6:43:42 PM
This answer has been confirmed as correct and helpful.
Edited by Janet17 [1/4/2018 6:43:36 PM], Confirmed by Janet17 [1/4/2018 6:43:42 PM]
Rating
8
The Doppler effect arises from changes in: frequency due to motion.
Added 1/4/2018 6:41:46 PM
This answer has been confirmed as correct and helpful.

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How much power is required to raise a 100-kg crate a vertical distance of 3 m in a time of 2 s? Answer a. 150 W. b. 100 W. c. 1500 W. d. 300 W.
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Updated 8/1/2020 7:22:18 AM
A block of wood with a flat rock tied to its top floats in a bucket of water. If the wood and rock are turned over so the rock is submerged beneath the wood, the water level at the side of the bucket: remains the same.
Added 8/1/2020 7:22:18 AM
This answer has been confirmed as correct and helpful.
When the surface of a bass fiddle is made to vibrate, we say it undergoes Answer a. amplitude reduction. b. refraction. c. forced vibration. d. resonance.
Weegy: When the surface of a bass fiddle is made to vibrate, we say it undergoes forced vibration. (More)
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Updated 3/15/2019 5:26:04 AM
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