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3 years ago

Newtons law of gravitation is called a universal law why

Physics

1 answer:

mihalych1998 [28]3 years ago

7 0

Answer:

it is applicable on all bodies having mass and the bodies Will be governed by the same law

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It is found that a 5.70 m segment of a long string contains three complete waves and has a mass of 180 g. The string is vibratin

Hoochie [10]

Answer:

1.9 m.

Explanation:

Three complete waves in the length of 5.7 m

The distance traveled by one complete wave is called wavelength.

Thus, the distance traveled by one wave = 5.7 / 3 = 1.9 m

Thus, the wavelength is 1.9 m.

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3 years ago

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A parallel-plate capacitor has plates of area A. The plates are initially separated by a distance d, but this distance can be va

ohaa [14]

Answer:

d' = d /2

Explanation:

Given that

Distance = d

Voltage =V

We know that energy in capacitor given as

$U=\dfrac{1}{2}CV^2$

$C=\dfrac{\varepsilon _oA}{d}$

$U=\dfrac{1}{2}\times \dfrac{\varepsilon _oA}{d}\times V^2$

If energy become double U' = 2 U then d'

$U'=\dfrac{1}{2}\times \dfrac{\varepsilon _oA}{d'}\times V^2$

$2U=\dfrac{1}{2}\times \dfrac{\varepsilon _oA}{d'}\times V^2$

$2\times \dfrac{1}{2}\times \dfrac{\varepsilon _oA}{d}\times V^2=\dfrac{1}{2}\times \dfrac{\varepsilon _oA}{d'}\times V^2$

2 d ' = d

d' = d /2

So the distance between plates will be half on initial distance.

7 0

3 years ago

Sometimes a new experimental result may seem to go against a well-established scientific theory. Which statement BEST describes

MrMuchimi

The best thing to do in this case is to redo the experiment and re record the info, it has to be precise and accurate so you also have to check if your procedure is correct. If the results are both accurate and precise then you have to report your findings to the committee of that specific field. <span />

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3 years ago

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Can a single atom be considered a molecule?

Alecsey [184]

Answer is B. Atoms must be bonded together to create molecules.

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3 years ago

A balloon filled with helium gas is found to take 6 hours to deflate to 50% of its original volume. how long will it take for an

photoshop1234 [79]

Given:
rate of effusion of Helium = 6 hours

Data needed:
Molar mass of hydrogen gas = 2 g/mol
Molar mass of helium gas = 4 g/mol

Assume:
Constant conditions such as temperature and pressure.

Required:
rate of effusion of Hydrogen gas

Solution:

To solve the problem, we can use the formula:

rate of effusion of A/ rate of effusion of B = (molar mass of B/molar mass of A)^1/2

substituting values,

rate of effusion of hydrogen gas/ 6 hours = (4 g/mol/2 g/mol)^1/2

rate of effusion of hydrogen gas = 8.5 hours

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3 years ago

Newtons law of gravitation is called a universal law why​

Newtons law of gravitation is called a universal law why