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4 years ago

Circular motion occurs only at or near earths surface true or false

Physics

2 answers:

worty [1.4K]4 years ago

7 0

Answer:

FALSE

Explanation:

Circular motion refers to the motion of an object in a circular path. This occurs at or near the surface of the earth as well as outside the earth in the space. This can be supported by the following pieces of evidence-

(1) The moon and the other artificial satellites that are moving constantly around the earth in a circular path.

(2) The planets going around the sun forming the solar system also maintains a circular and elliptical plane.

(3) Tying a stone with a rope and swinging it in circles maintaining a constant velocity also satisfies the condition of circular motion at or near the surface of the earth.

Thus, the above-given statement is false.

zaharov [31]4 years ago

3 0

It's exactly false because circular motion is accur's in all the universe if we take a look on the solar system all the planet's are moving in circular motion and there alot of examples are here in this universe./

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An iron vat is 11 m long at room temperature (20°C). How much longer is it when it contains boiling water at 1 atm pressure?

RoseWind [281]

Answer:

The change in length is 0.01056 m.

Explanation:

Given that,

Length = 11 m

Temperature = 20°C

Pressure = 1 atm

Boiling temperature = 100°C

We need to calculate the length

Using formula of change in linear expansion

$\dfrac{\Delta L}{L}=\alpha_{l}\Delta T$

$\Delta L=L\times\alpha_{l}\times(T_{f}-T_{i})$

Put the value into the formula

$\Delta L=11\times12\times10^{-6}\times(100-20)$

$\Delta L=11\times12\times10^{-6}\times80$

$\Delta L=0.01056\ m$

Hence, The change in length is 0.01056 m.

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Answer:

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Explanation:

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2 years ago

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Answer:

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3 years ago

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Answer:

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