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dezoksy [38]
3 years ago
14

To find amplitude, measure _____.

Physics
1 answer:
Ber [7]3 years ago
8 0
1.) A 2 hertz
2.) B speed=wavelength*frequency
3.) D the vertical distance from a crest to the rest position.

100% I just took the test for connections.
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Allisa [31]
I have a strong hunch that if you read through pages 184 to 187 in the book,
you'll find each of these statements there, with no blank spaces.

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3 0
4 years ago
(1 point) A frictionless spring with a 6-kg mass can be held stretched 0.2 meters beyond its natural length by a force of 50 new
guapka [62]

Answer:

x(t) = 0.077cos(6.455t)

Explanation:

If the spring can be stretched 0.2 m by a force of 50 N, then the spring constant is:

k = 50 / 0.2 = 250 N/m

The equation of simple harmonic motion is as the following:

x(t) = Acos(\omega t - \phi)

where \omega = \sqrt{k/m} = \sqrt{250 / 6} = 6.455

We also know that the initial velocity is 0.5 m/s, which is also the maximum speed at the equilibrium:

v_{max} = A\omega

A = v_{max}/\omega = 0.5 / 6.455 = 0.077 m

\phi = 0 is the initial phase

Therefore, the position of the mass after t seconds is

x(t) = 0.077cos(6.455t)

6 0
4 years ago
Which of the following is an example of sustainable use of natural resources? Question 21 options: 1) clear-cutting a forest 2)
kari74 [83]
4 is thebest anser as itleads with harwesting
6 0
4 years ago
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HELP!
wariber [46]

Answer:

the answer is d

Explanation:

the more mass there is, the larger the gravitational pull is.

7 0
3 years ago
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What is a resultant vectors direction?
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That completely depends on all sizes and all directions of all of the vectors that combined to produce the resultant one.
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