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max2010maxim [7]
3 years ago
8

A force of 115 N is used to move a chair 0.8 m. How much work is done? A. 143.8 J B. 110.2 J C. 21.8 J D. 92.0 J

Physics
1 answer:
xxTIMURxx [149]3 years ago
8 0

Answer: D

<h2>Work Done = 92.0 Joules</h2>

Explanation:

Force = 115N\\Distance = 0.8m\\W.D = ?\\W.D = F*D\\W.D = 115*0.8\\W.D =92

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A material that provides resistance to the flow of electric current is called a(n)
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Th correct answer to this question would be, Insulator. Notice in the question it says "Material". The question is basically asking, What item resists the flow of and electric current. A resistor is a device that suppose to strain the electric  current. And resistance is the measure of how well the material can conduct an electric charge. With all of that being stated, Insulator materials include paper, dry wood, rubber, glass, ect. Insulator products provides resistance.

Make sure you read the questions very carefully.

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A transverse wave is traveling from right to left. what direction does the medium vibrate?
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Which starting material is the limiting reagent in this procedure? which reagent is used in excess? how great is the molar exces
alexandr1967 [171]

The limiting reagent in this procedure is the substance that is completely used in the reaction. The substance which is not completely used is called excess.

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Materials used during the manufacture of the lively substance (e.g., tradition media, growth factors, and so on) and that are not meant to form a part of the active substance shall be taken into consideration as raw substances. cloth forming a critical part of the lively materials element shall be considered as the beginning substance.

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7 0
2 years ago
An object object travels 24 meters in the +x direction for 3.5 seconds, and then immediately travels some distance in the -x dir
kicyunya [14]

Answer:

The distance in -x axis is 39.77 m

Explanation:

Given that,

Distance in +x axis = 24 m

Time = 3.5 sec

Total time = 9.3 sec

Average velocity = 0

We need to calculate the velocity in +x axis

v=\dfrac{d}{t}

Put the value into the formula

v=\dfrac{24}{3.5}

We need to calculate the velocity in -x axis

v=\dfrac{x}{9.3-3.5}

We need to calculate the distance

Using formula of average velocity

\dfrac{\dfrac{24}{3.5}-\dfrac{x}{9.3-3.5}}{2}=0

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x=39.77\ m

Hence, The distance in -x axis is 39.77 m.

7 0
3 years ago
(b) The difference h between the two liquid levels is 2.0 cm. The density of the
Naddika [18.5K]

Answer:

101201.2 Pascal.

Explanation:

Given that the difference h between the two liquid levels is 2.0 cm. The density of the liquid is 800 kg /m3.

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The pressure of the gas can be calculated by using the formula

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Substitute all the parameters into the formula

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Note that the height is converted to metre.

Pressure = 156.8 Pascal

pressure difference = 101358 - 156.8

Pressure difference = 101201.2 Pascal

5 0
3 years ago
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