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4 years ago

Define net force????????

Physics

2 answers:

Yuliya22 [10]4 years ago

6 0

Answer:

Net force is a vector quantity; a sum of forces acting on an object.

Explanation:

Usimov [2.4K]4 years ago

3 0

Ahhh...Net Force.
Net force is simply the overall force acting on an object. Basically, All of the *un*balanced forces acting on that particular object. The Balanced forces cancel each other because they are balanced.

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Luden [163]

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3 years ago

Describe the differences between a plum pudding model and a nuclear model.

sleet_krkn [62]

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3 years ago

A bystander observes the musicians heading toward each other. When musician #1 is 100 m away, the intensity is 1.24 x 10-8 W/m^2

777dan777 [17]

Explanation:

Given that,

Distance 1, r = 100 m

Intensity, $I_1=1.24\times 10^{-8}\ W/m^2$

If distance 2, r' = 25 m

We need to find the intensity and the intensity level at 25 meters. Intensity and a distance r is given by :

$I=\dfrac{P}{4\pi r^2}$ .........(1)

Let I' is the intensity at r'. So,

$I'=\dfrac{P}{4\pi r'^2}$ ............(2)

From equation (1) and (2) :

$I'=\dfrac{Ir}{r'^2}$

$I'=\dfrac{1.24\times 10^{-8}\times 100}{25^2}$

$I'=1.98\times 10^{-9}\ W/m^2$

Intensity level is given by :

$dB=10\ log(\dfrac{I'}{I_o})$ , $I_o=10^{-12}\ W/m^2$

$dB=10\ log(\dfrac{1.98\times 10^{-9}}{10^{-12}})$

dB = 32.96 dB

Hence, this is the required solution.

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3 years ago

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Alona [7]

Answer:

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How does this app work

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Answer:

Jace~

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