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kondor19780726 [428]

2 years ago

8

Einstein's theory of general relativity is currently the best explanation of gravity.Why has this theory not been replaced with

a new one

1 answer:

alina1380 [7]2 years ago

8 0

Answer:

Option C, It still explains the experimental evidence pertaining to gravity

Explanation:

Please find the attachment

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I need help!!!! I don’t understand physical science at all.

allochka39001 [22]

B is the correct answer

3 0

2 years ago

In a chemical reaction blank are the substances left over

Zepler [3.9K]

Answer: In a chemical reaction blank are the substances left over

Explanation: The substance left over after a reaction takes place

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2 years ago

A wire has a cross sectional area of 4.00 mm2 and is stretched by 0.100 mm by a certain force. How far will a wire of the same m

Nina [5.8K]

Answer: $0.05\ mm$

Explanation:

Given

Cross-sectional area of wire $A_1=4\ mm^2$

Extension of wire $\delta l=0.1\ mm$

Extension in a wire is given by

$\Rightarrow \delta l=\dfrac{FL}{AE}$

where, $E=\text{Youngs modulus}$

$\Rightarrow \delta_1=\dfrac{FL}{A_1E}\quad \ldots(i)$

for same force, length and material

$\Rightarrow \delta_2=\dfrac{FL}{A_2E}\quad \ldots(ii)$

Divide (i) and (ii)

$\Rightarrow \dfrac{0.1}{\delta_2}=\dfrac{A_2}{A_1}\\\\\Rightarrow \delta_2=0.1\times \dfrac{4}{8}\\\\\Rightarrow \delta_2=0.05\ mm$

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2 years ago

When a star is moving away the light waves appear to be....

BabaBlast [244]

When a star is moving away from earth it appears blue

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2 years ago

Help!?!? Please and thank you

natita [175]

C is probably the correct one

3 0

3 years ago

Read 2 more answers