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blondinia [14]
3 years ago
8

Which of the following statements is not a prediction of the general theory of relativity?

Physics
2 answers:
velikii [3]3 years ago
7 0

Answer:

D) Different observers can disagree about the fundamental structure of spacetime.

Explanation:

The law was proposed by Albert Einstein and it talks about the gravitational force and how objects in space and time behave.

In his finding he discovered that the whole universe has no central point and no outer boundary.

He noticed that time runs faster on the surface of the earth than on the surface of the sun.

However, different observers disagreeing about the structure of FaceTime is not among the discoveries of the law of relativity.

Ber [7]3 years ago
5 0

Answer:

Different observers can disagree about the fundamental structure of space time

Explanation:

Theory of Relativity was proposed by Albert Einstein and is a building block for *modern* physics. he showed that the speed of light within a vacuum is the same no matter the speed at which an observer travels.

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Which of the following was an effect of the French Revolution?
lozanna [386]

Answer: C. the elimination of special privileges for members of the first and second estates

Explanation:

The French Revolution was a period of political change in France. The French Revolution led to the proclamation of the first French Republic, radical political and social change, creation of constitutional monarchy, formation of the French consulate etc.

From the options given, the effect of the French Revolution was the the elimination of special privileges for members of the first and second estates. Therefore, the correct option is C.

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A ball is accelerating down a hill. Which statement is true?
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Answer:

The potential energy increases and the kinetic energy decreases

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Singly charged gas ions are accelerated from rest through a voltage of 10.3 V. At what temperature (in K) will the average kinet
Natasha_Volkova [10]

Answer:

Temperature of the gas molecules is 7.96 x 10⁴ K

Explanation:

Given :

Ions accelerated through voltage, V = 10.3 volts

The work done to change the position of singly charged gas ions is given by the relation :

W = q x V

Here q is charge of the ions and its value is 1.6 x 10⁻¹⁹ C.

Average kinetic energy of gas molecules is given by the relation:

K.E. = \frac{3}{2}kT

Here T is temperature and k is Boltzmann constant and its value is 1.38 x 10⁻²³ J/K.

According to the problem, the average kinetic energy of gas is equal to the work done to move the singly charged ions, i.e. ,

K.E. = W

\frac{3}{2}kT = qV

Rearrange the above equation in terms of T :

T= \frac{2qV}{3k}

Substitute the suitable values in the above equation.

T=\frac{2\times1.6\times10^{-19}\times10.3 }{3\times1.38\times10^{-23} }

T = 7.96 x 10⁴ K

5 0
3 years ago
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