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
When light emitting bodies move away from us, it creates the phenomenon known as red shift.
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Question
Updated 11/21/2014 2:13:31 PM
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When light emitting bodies move away from us, it creates the phenomenon known as red shift.

Confirmed by andrewpallarca [11/21/2014 2:17:28 PM]

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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
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.
The highest point of a transverse wave is called the _______, while the lowest point of a traverse wave is called the _______.
Question
Updated 4/18/2015 2:58:34 PM
The highest point of a transverse wave is called the CREST, while the lowest point of a traverse wave is called the TROUGH.

Confirmed by yumdrea [4/19/2015 4:18:08 PM]
If a wave has a period of 0.25 seconds, what is its frequency?
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Updated 9/25/2014 10:11:13 AM
If a wave has a period of 0.25 seconds, 4.0 Hz is its frequency.
The highest parts of a transverse wave are called a. troughs. b. crests. c. nodes. d. wavelengths.
Question
Updated 9/25/2014 10:37:09 AM

The highest parts of a transverse wave are called CREST.

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)
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Updated 4/14/2015 11:17:09 PM
When two or more simple machines work together, they are called a compound machine.
Confirmed by selymi [4/15/2015 7:25:51 AM]
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