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-BARSIC- [3]
2 years ago
12

String a is 35 centimeters long.string b is 5 times as long as string a .both are necessary to create a decorative bottle .find

the total length of string needed for 17 identical decorative bottles. Express your answer in meters.
Mathematics
2 answers:
Rus_ich [418]2 years ago
5 0
35.7 is your answer hope i helped good luck and bye
yulyashka [42]2 years ago
4 0
First you convert centimeters to meters which will be 35 centimeters-> 0.35 meters

Once you have that, you multiply String A's length (0.35 m) by 5 to find String B's length which will be 1.75 meters.

Now that you have the two lengths you multiply each by 17.
 
17 x 1.75 = 29.75 and 17 x 0.35 = 5.95

Now you just add 29.75 and 5.95 and you get your answer which is
 
35.7 meters 
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Two point particles are attached to each other via a light in-extensible string that passes over a ring hanging from the ceiling
arlik [135]

a. The expression for the tension in the string is T = mg

b. The expression for the tension in the chain is T = 2mg

To solve the problem, we need to know what tension is.

<h3>What is tension?</h3>

This is the opposing force in a stretched material.

<h3>a. Tension in the string</h3>

The expression for the tension in the string is T = mg

Since the string supports the weight of the object, the tension in the string equals the weight of the particle.

Let

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  • W = weight of particle = mg where
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  • g = acceleration due to gravity

So, T = W

T = mg

So, the expression for the tension in the string is T = mg

<h3>b. Tension in chain</h3>

The expression for the tension in the chain is T = 2mg

<h3 />

Since the chain supports both strings, the tension in the chain equals the tension in both strings.

Let

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  • T = tension in each string

So, T' = T + T

T' = 2T

T' = 2W

T' = 2mg

So, the expression for the tension in the chain is T = 2mg

<h3 />

Learn more about tension here:

brainly.com/question/24994188

5 0
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13. Given the volume, V, of the rectangular prism below, find h, the height of the prism. V = (x ^ 2 + 2x)/(x + 1) l= 2x + 4 w=
NikAS [45]

Given:

Volume of a rectangular prism is:

V=\dfrac{x^2+2x}{x+1}

Dimensions of the rectangular prism are:

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w=\dfrac{x}{8}

To find:

The height of the rectangular prism.

Solution:

The volume of a rectangular prism is:

V=l\times w\times h

After substituting the values, we get

\dfrac{x^2+2x}{x+1}=(2x+4)\times \dfrac{x}{8}\times h

\dfrac{x(x+2)}{x+1}=\dfrac{2x(x+2)}{8}\times h

\dfrac{x(x+2)}{x+1}\times \dfrac{8}{2x(x+2)}=h

\dfrac{1}{x+1}\times \dfrac{8}{2}=h

\dfrac{4}{x+1}=h

Therefore, the correct option is C.

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