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3 years ago

What is the formula to used to find work?

Physics

1 answer:

liubo4ka [24]3 years ago

7 0

Answer:

W = F × D

Explanation:

Hi there! I'm glad I was able to help you!

The formula we use to calculate work is shown below:

W = F × D

W = WORK

F = FORCE

D = DISTANCE

For example, let's say you're holding a box with both of your hands, keeping it still. Sure, holding the box requires some amount of effort, no matter the weight or size, but since you aren't moving the box up and down, no work is being applied.

If you slowly raise the box into the air, however, work is being done on the box. It still requires effort, but you're applying force on the box, raising it x amount of distance into the air.

This is where the variables W, F and D come from.

I hope this helped you! Comment below if I can assist with anything else! :)

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Your friend's 10.8 g graduation tassel hangs on a string from his rearview mirror. When he accelerates from a stoplight, the tas

Nitella [24]

The tension in the string holding the tassel and the vertical will the tension in the string

T = 0.1953 N
Ф = 34.4 °

<h3>What is the tension in the string holding the tassel. ?</h3>

Generally, the equation for Tension is mathematically given as

$TCos\theta = mg$

Therefore

$TCos6.58^{o} = 19.8*10^{-3}*9.8$

T = 0.1953 N

b).

Where

$T* sin \theta = ma$

$0.1953*Sin6.58 \textdegree = 19.8*10^{-3}*a$

a = 1.13 m/s^2

In conclusion

T* sinФ = ma

2msinФ = ma

2sinФ = a

$sin\theta = \frac{a}{2}$

$\theta = sin^{-1}\frac{a}{2} \\\\\theta= sin^{-1}\frac{1.13}{2}$

Ф = 34.4 °

In conclusion, The tension in the string holding the tassel and the vertical will the tension in the string

T = 0.1953 N

Ф = 34.4 °

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2 years ago

A continental polar air mass forms in

Sedaia [141]

Answer:

B. Northern Canada

Explanation:

A continental polar air mass can form over the land during the winter months. In the Northern Hemisphere, it originates in northern Canada or Alaska. As it moves southward, it brings dry weather conditions to the United States. Temperature and humidity levels are both low. Hope this helps :)

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2 years ago

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gayaneshka [121]

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3 years ago

Ayúdenme con este problema de física.

JulijaS [17]

Answer:

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Explanation:

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2 years ago

KI + Cl2 ---> KCl + I2<br> Balance the single replacement chemical reaction.

snow_lady [41]

Answer:

2KI + Cl₂ → 2KCl + I₂

Explanation:

The reaction equation is given as:

KI + Cl₂ → KCl + I₂

The problem at hand is to balance this chemical reaction. To solve this problem we use a mathematical approach;

aKI + bCl₂ → cKCl + dI₂

Conserving K : a = c

I : a = 2d

Cl : 2b = c

Now let a = 1, c = 1 , d = $\frac{1}{2}$ , b = $\frac{1}{2}$ , ;

Multiply through by 2;

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2 years ago