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If a wave has a period of 0.25 seconds, what is its frequency?
If a wave has a period of 0.25 seconds, 4.0 Hz is its frequency.
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Asked 9/25/2014 9:45:37 AM
Updated 9/25/2014 10:11:13 AM
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If a wave has a period of 0.25 seconds, 4.0 Hz is its frequency.
Added 9/25/2014 10:11:13 AM
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The speed of sound at high altitudes, where the air is less dense, is greater than the speed of sound at low altitudes, where the air is more dense.
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Updated 9/25/2014 9:47:45 AM
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The speed of sound at high altitudes, where the air is less dense, is greater than the speed of sound at low altitudes, where the air is more dense. FALSE.
Added 9/25/2014 9:47:45 AM
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The highest point of a transverse wave is called the _______, while the lowest point of a traverse wave is called the _______.
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Updated 4/18/2015 2:58:34 PM
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The highest point of a transverse wave is called the CREST, while the lowest point of a traverse wave is called the TROUGH.

Added 4/18/2015 2:58:34 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [4/19/2015 4:18:08 PM]
The highest parts of a transverse wave are called a. troughs. b. crests. c. nodes. d. wavelengths.
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Updated 9/25/2014 10:37:09 AM
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The highest parts of a transverse wave are called CREST.

Added 9/25/2014 10:37:09 AM
This answer has been confirmed as correct and helpful.
A 5.0 kg bowling ball is rolling down the lane at 4.0 m/s. What is the kinetic energy of the bowling ball? a. 40 J b. 50 J c. 80 J d. 100 J
Weegy: A 5.0 kg bowling ball is rolling down the lane at 4.0 m/s. The kinetic energy of the bowling ball 40 J. ***Kinetic energy is given by K.E = 1/2 mv2 . K.E = 1/2 x 5.0kg (4.0 m/s)^2. K.E = 40. User: When two or more simple machines work together, they are called a(n) ____. a. compound machine c. screw b. effort machine d. simple machine (More)
Question
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Updated 4/14/2015 11:17:09 PM
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When two or more simple machines work together, they are called a compound machine.
Added 4/14/2015 11:17:09 PM
This answer has been confirmed as correct and helpful.
Confirmed by selymi [4/15/2015 7:25:51 AM]
What creates the phenomenon known as red shift? a. When light emitting bodies move closer to us c. When light is refracted by solar particles b. When light emitting bodies move away from us d. When the amplitude of a wave of light increases
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Updated 11/21/2014 2:13:31 PM
1 Answer/Comment
When light emitting bodies move away from us, it creates the phenomenon known as red shift.

Added 11/21/2014 2:13:31 PM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [11/21/2014 2:17:28 PM]
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