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Lelechka [254]
4 years ago
12

True or False: Radio waves are a part of the electromagnetic spectrum with high wavelengths and low frequencies.

Biology
1 answer:
zepelin [54]4 years ago
4 0
True, Radio waves are on the Far red end of the spectrum.

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Why do people think genetically modified organisms are bad or harmful?<br><br> list 3 ways on why…
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Answer:

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Explanation:

<h3>I hope this helps!</h3>
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What sequence of mrna is made from the gene ttacaggtcc? select one:
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1) Which letter indicates the most gradual change in temperature?
egoroff_w [7]

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Unlike record players which rotate at a constant angular velocity, the CD-ROM driver in a CD player rotates the CD at different
zimovet [89]

Answer:

A. 21 rad/s

B. 200.5 rpm

C. 26.46 rad/s2

D. 0.299 Hz

Explanation:

Parameters given are:

Tangential velocity,v = 1.26m/s

Diameter (outer edge) = 0.120m

Outer edge radius, ro = 0.12/2

= 0.06m

A. Calculate Angular velocity

Angular velocity, w = v/r

= v/ro

= 1.26/0.06 = 21 rad/s

In rpm,

2pi/60 rad/s = 1 rpm

1 rad/s = 60/2pi rpm

Sp, 21 rad/s = 60 * 21/2pi rpm

= 200.5 rpm

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Converting rpm to rad/s,

= 2pi/60 * 500 rad/s

= 52.34 rad/s

ri = v/w

= 1.26/ 52.36

= 0.024m

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a = v2/r = w2r

= (1.26)2/0.06

= 26.46 rad/s

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f = 2pi/w

= 2pi/21

= 0.299 Hz (or per second)

5 0
3 years ago
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