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Veronika [31]
3 years ago
14

How are soundwaves different from other ways

Physics
1 answer:
Artemon [7]3 years ago
5 0

Answer:

sound waves are made from vibrations where as radio waves for exaple are made of electricity

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Light travels slowest in high density media, faster in lower density media, and fastest in low density media.
lutik1710 [3]

Answer: C REFRACTION

Explanation: I took the test and got it right lol <3

8 0
3 years ago
A wave along a guitar string has a frequency of 540 Hz and a wavelength of 4.3 m. Calculate the velocity of the wave.
Virty [35]

Answer:

Velocity of wave =  2322 m /sec

Explanation:

We know that, Velocity of wave v = n  λ

Given, n = 540 Hz,  λ=4.3 m , v = ?

Putting the value of n and λ

Velocity of wave = 540 x 4.3 = 2322 m /sec

8 0
3 years ago
Read 2 more answers
21/33
postnew [5]

Answer:

400N

Explanation:

5 0
3 years ago
While dragging a crate a workman exerts a force of 628 N. Later, the mass of the crate is increased by a factor of 3.8. If the w
Delvig [45]
Force applied = F = 628 N 
<span>Acceleration = a m/s² </span>
<span>Newton's 2nd law of motion : F = Ma </span>
<span> a = F/M -------- (1) </span>
<span>New mass of the crate = M1 = 3.8M kg </span>
<span>New acceleration = a1 = F/M1 = F/(3.8 M) ----- (2) </span>
<span>a1/a = {F/(3.8M)}/(F/M) = 1/3.8 = 10/38 = 5/19 ------- Answer</span>
6 0
4 years ago
Read 2 more answers
A laser pulse takes 2.56 seconds to travel from Earth to the Moon and return. Use this to calculate how far away the Moon is. Ho
Deffense [45]

Answer:

x = 3.84\times 10^{5}\,km

This delay affect conversations in the sense that recipient will be receive the message just 2.56 seconds after the message was sent.

Explanation:

The laser pulse has an ondulatory nature as electromagnetic wave, which can travel in the void. Speed of light is constant and distance between Earth and the Moon is:

x = 0.5\cdot c\cdot \Delta t

x = 0.5\cdot (3\times 10^{5}\,\frac{km}{s})\cdot (2.56\,s)

x = 3.84\times 10^{5}\,km

This delay affect conversations in the sense that recipient will be receive the message just 2.56 seconds after the message was sent.

7 0
3 years ago
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