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pentagon [3]
4 years ago
14

The figure shows a horizontal block that is suspended by two wires, a and b, which are identical except for their original lengt

hs. the center of mass of the block is closer to wire b than to wire
a.
Physics
1 answer:
nlexa [21]4 years ago
4 0
It show how people work and what's they should for there living
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When the volcano Krakatoa erupted in 1883, it was heard 5000 km away. Which statement about the sound from the volcano is not co
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Answer a) is incorrect as sound does not travel in a vacuum.
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This boy uses a force to lift a heavy rock. (He is carrying it.) What can the boy do if he wants to lift the same rock more quic
lutik1710 [3]
I nthink the  answer is c may be
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3 years ago
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A bridge is made with segments of concrete 50 m long. If the linear expansion coefficient is 12  10–6 (°C)–1 , how much spacing
charle [14.2K]
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4 0
4 years ago
A sound wave with a waveenght of 2.5 meters traves 660 meters in 2 seconds calculate the frequemcy of the wave to cacuation the
finlep [7]

The frequency of the wave is 132 Hz

Explanation:

To calculate the speed of the wave, we can use the following formula:

v = \frac{d}{t}

where

d is the distance travelled by the wave

t is the time elapsed

For the sound wave in this problem, we have:

d = 660 m is the distance travelled

t = 2 s is the time interval considered

Substituting and solving for v, we find the speed of the sound wave:

v=\frac{660}{2}=330 m/s

Now we can calculate the frequency of the wave by using the wave equation:

v=f\lambda

where

v = 330 m/s is the speed of the wave

\lambda=2.5 m is the wavelength

f is the frequency

Solving for f, we find:

f=\frac{v}{\lambda}=\frac{330}{2.5}=132 Hz

Learn more about wavelength and frequency:

brainly.com/question/5354733

brainly.com/question/9077368

#LearnwithBrainly

7 0
3 years ago
Describe in your own words, What is insulation?
serg [7]
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