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Shalnov [3]
3 years ago
6

If a wave in a long rope has a period of 1.0 seconds and a wavelength of 0.2 what's the speed

Physics
1 answer:
Vilka [71]3 years ago
4 0

brainly.com/question/243965 here is the answer this website

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A segment A of wire stretched tightly between two posts a distance L apart vibrates in its fundamental mode with frequency f. A
____ [38]

Answer:

option (c)

Explanation:

Fundamental frequency of segment A = f

Second harmonic frequency of B = fundamental frequency of A .

Tension in both the wires is same and the mass density is also same as the wires are identical.

fundamental frequency of wire A is given by

f=\frac{1}{2L_{A}}{\sqrt{\frac{T}{m}}}    .... (1)

Second harmonic of B is given by

f=\frac{2}{2L_{B}}{\sqrt{\frac{T}{m}}}    .... (2)

Equation (1) is equal to equation (2), we get

\frac{1}{2L_{A}}=\frac{2}{2L_{B}}

L_{B}=2L_{A}

So, LB = 2 L

Thus, the length of wire segment B is 2 times the length of wire segment A.

3 0
3 years ago
Which statement describes the relationship between voltage and current
DaniilM [7]

Answer:

Ohm's Law. The relationship between voltage, current, and resistance is described by Ohm's law. This equation, i = v/r, tells us that the current, i, flowing through a circuit is directly proportional to the voltage, v, and inversely proportional to the resistance, r.

Explanation:

6 0
4 years ago
Potential energy
AnnZ [28]
The answer would be B.
7 0
3 years ago
A Doppler radar sends a pulse at
Rufina [12.5K]

Answer:

Explanation:

The problem is based on the concept of Doppler's effect of em wave .

Expression for apparent frequency can be given as follows

n = N x (V - v ) / ( V + v )

n is apparent frequency , N is real frequency , V is velocity of light  and v is velocity of cloud.

n = 6 x 10⁹ ( 3 x 10⁸ - 8.52 ) / ( 3 x 10⁸ + 8.52 )

= 6 x 10⁹ ( 3 x 10⁸ ) ( 3 x 10⁸ + 8.52 )⁻¹

= 6 x 10⁹ ( 3 x 10⁸ ) ( 3 x 10⁸)⁻¹ ( 1  + 8.52/3 x 10⁸ )⁻¹

= 6 x 10⁹ ( 1  - 8.52/3 x 10⁸ )

= 6 x 10⁹    - 6 x 10⁹x  8.52/ (3 x 10⁸ )

= 6 x 10⁹  1  - 170 .

So change in frequency = 170 approx.

7 0
3 years ago
Read 2 more answers
Is atom on the offficial repository of ubuntu ?
ahrayia [7]

Answer:

Atom, the cross-platform, open source code editor developed by Github, has become quite popular thanks to its plug-ins and embedded Git Control. ... There are, however, official Atom repositories for some Linux distributions, like Ubuntu, Debian, Fedora, Red Hat, CentOS, and open.

6 0
3 years ago
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