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Anna007 [38]
3 years ago
8

"1.0 kg mass is attached to the end of a spring. The mass has an amplitude of 0.10 m and vibrates 2.0 times per second. Find its

speed when it passes the equilibrium position."
Physics
2 answers:
AleksandrR [38]3 years ago
6 0

Answer:

haha lol

Explanation:

sorry but i dont know this

prisoha [69]3 years ago
4 0

Answer:

1.3m/s

Explanation:

Data given,

Mass,m=1.0kg,

Amplitude,A=0.10m,

Frequency,f=2.0Hz.

From the equation of a simple harmonic motion, the displacement of the object at a given time is define as

x=Acos\alpha \\

we can express the velocity by the derivative of the displacement,

Hence

V=-Awsin\alpha \\

at equilibrium, the velocity becomes

V=wA\\w=2\pi f

Hence if we substitute values we arrive at

V=2\pi fA\\V=2\pi *2*0.1\\V=1.3m/s

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If the architectural plans show the rough opening of a window to be 3'-3" x 4'-9" , the height of the opening should actually me
tatyana61 [14]

Answer:

height of the opening actually measure is 4'-9"

Explanation:

given data

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solution

height of the opening should actually measure will be 4'-9" in 3'-3" x 4'-9"

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Answer:

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Explanation:

8 0
2 years ago
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natita [175]
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3 0
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When the activation energy of an exothermic reaction decreases at a given temperature, the reaction rate increases because the _
fgiga [73]
When the activation energy of an exothermic reaction decreases at a given temperature, the reaction rate increases because the <span>number of successful effective collisions is higher. More of the reactants collide and are able to form products. Hope this answers the question. have a nice day.</span>
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leonid [27]

Maps and Globes share the following features:

Both are scale Models.

Explanation:

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A map is a two dimensional representation or a drawing of the earth’s surface, or a part of it, on a flat surface, according to a scale. Thus it is also a scale model.

A globe differs from a map. It is a three dimensional sphere representing the whole Earth.

A map is usually used to represent a specific part of the Earth and is used for Navigation. It has details and symbols. However, a globe can not be used for such details.

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Keywords: geography, earth, maps, globes

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