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2 years ago

8

a stone thrown on a glass window smashes the window pane to pieces but a bullet from the gun passes through making a clean hole.

explain why?

2 answers:

Svet_ta [14]2 years ago

8 0

Answer:

becouse the stone is bigger than the bullet

Explanation:

so ya

frosja888 [35]2 years ago

3 0

Answer:

look it up

Explanation:

wassup

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A person standing a certain distance from four identical loudspeakers is hearing a sound level intensity of 125 dB. What sound l

DENIUS [597]

Answer:

$\mathbf{\beta = 123.75 \ dB}$

Explanation:

From the question, using the expression:

$125 \ dB = 10 \ log (\dfrac{I}{I_o})$

where;

$I_o = 10^{-12} \ W/m^2$

$I = 10^{12.5} \times 10^{-12} \ W/m^2$

$I = 3.162 \ W/m^2$

This is a combined intensity of 4 speakers.

Thus, the intensity of 3 speakers = $\dfrac{3.162\times 3}{4}$

= 2.372 W/m²

Thus;

$\beta = 10 \ log ( \dfrac{2.372}{10^{-12}} ) \ W/m^2$

$\mathbf{\beta = 123.75 \ dB}$

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3 years ago

How might the velocity (speed) of wind or water affect the deposition of sediments?

Maksim231197 [3]

Well depending on the speed of both of those things is were the rock will be placed and it also determines how fast can an environment change
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3 years ago

A 90.0 kg man climbs hand over hand up a rope to a height of 9.47 m. How much potential energy does he have at the top?

kati45 [8]

Answer:

8361.063 J

Explanation:

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2 years ago

I will mark brainliest if right :)

kozerog [31]

Answer:

Explanation:

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3 years ago

Read 2 more answers

A golf club with mass 0.5 kg is swung at 23 m/s toward a stationary golf ball on a tee. The club barely slows down to 17 m/s, bu

mylen [45]

Answer:

I gotchu fam. 0.0435 kg

Explanation:

m1v1+m2v2=m1v1f+m2v2f

(0.5)(23)+(m2)(0)=(0.5)(17)+(m2)(69)

11.5=8.5+69m2

3=69m2

0.0435 kg

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2 years ago