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Ahat [919]
2 years ago
6

.Write the meaning of following words: a) gale b) billows c) raging d) evil

Physics
1 answer:
Temka [501]2 years ago
6 0

Answer:

a strong wind.

showing rage.

a large undulating mass of something, typically cloud, smoke, or steam.

profoundly immoral and wicked.

Explanation:

<h2>please mark me brainliest please</h2>
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A concert loudspeaker suspended high off the ground emits 31 W of sound power. A small microphone with a 1.0 cm^2 area is 42 m f
Aleonysh [2.5K]

Answer:

intensity of sound at level of microphone is 0.00139 W / m 2

sound intensity level at position of micro phone is 91.456 dB

EXPLANATION:

Given data:

power of sound   P = 31 W

distance betwen microphone & speaker is   42 m

a) intensity of sound at microphone is calculated as

                   I = \frac{P}{A}

                   = \frac{34}{4 \pi ( 44m )^ 2}

                   =  0.00139 W / m 2        

b) sound intensity level at position of micro phone is

                \beta = 10 log \frac{I}{I_o}

    where I_o id reference sound intensity and taken as

                = 1 * 10^{-12} W / m 2  

               \beta = 10 log\frac{0.00139}{10^[-12}}

                     = 91.456 dB

7 0
3 years ago
Two objects are dropped from different heights at the same instant. If the first object takes 10.7 seconds to hit the ground and
Lubov Fominskaja [6]

Answer:

The answer to your question is : 521.8 m

Explanation:

Data:

Different heights

Time first object (tfo) = 10.7 s

Time second object (tso)= 14.8 s

Initial speed of both objects(vo) = 0 m/s

a = 9.81 m/s²

Formula:

h = vot + 1/2 (a)(t)² but vo = 0    so, h = 1/2 (a)(t)²

Then, height fo      h = 1/2 (9.81)(10.7)² = 561.6 m

          height so     h = 1/2(9,81)(14.8)² = 1074.4 m

Difference in their heights =  1074.4 m - 561.6 m = 521.8 m

5 0
3 years ago
What occurs as a ray of light passes from<br> al inilo water?
iVinArrow [24]

Answer:

this may be wrong but I am not sure

3 0
3 years ago
Which is a characteristic of an amorphous solid?
Degger [83]

Answer:

Becomes softer as the temperature rises!

Explanation:

4 0
3 years ago
Find the displacement. Will give brainliest!
gladu [14]

Answer:

1000 m upwards

Explanation:

Displacement Formula: Average Velocity = Displacement/Total Time

Simply plug in our known variables and solve:

100 m/s = x m/10 seconds

100 m/s(10 s) = x m

m = 1000

5 0
3 years ago
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