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2 years ago

………………………….. yeah I know I was just looking looking at the guy that was like yeah yeah I know it’s crazy but ……………………..

Physics

2 answers:

Lelechka [254]2 years ago

7 0

What..?

4x+5=13
13-5=8
8 divided by 4=2
Answer: x=2

lilavasa [31]2 years ago

6 0

X=2 is always the answer

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Crews at the International Space Station are researching the effects of the weightlessness of space on ________.

andrezito [222]

A: Human Body

C is wrong because they don’t have the tools to test it on another planet

6 0

2 years ago

Read 2 more answers

Two concrete spans of a 380 m long bridge are

Mazyrski [523]

Answer:

4.163 m

Explanation:

Since the length of the bridge is

L = 380 m

And the bridge consists of 2 spans, the initial length of each span is

$L_i = \frac{L}{2}=\frac{380}{2}=190 m$

Due to the increase in temperature, the length of each span increases according to:

$L_f = L_i(1+ \alpha \Delta T)$

where

$L_i = 190 m$ is the initial length of one span

$\alpha =1.2\cdot 10^{-5} ^{\circ}C^{-1}$ is the temperature coefficient of thermal expansion

$\Delta T=20^{\circ}C$ is the increase in temperature

Substituting,

$L_f=(190)(1+(1.2\cdot 10^{-5})(20))=190.0456 m$

By using Pythagorean's theorem, we can find by how much the height of each span rises due to this thermal expansion (in fact, the new length corresponds to the hypothenuse of a right triangle, in which the base is the original length of the spand, and the rise in heigth is the other side); so we find:

$h=\sqrt{L_f^2-L_i^2}=\sqrt{(190.0456)^2-(190)^2}=4.163 m$

4 0

3 years ago

How many planets are made up of gas

Vadim26 [7]

Answer:

The four gas giants in our solar system are Neptune, Uranus, Saturn, and Jupiter. These are also called the Jovian planets. "Jovian planet" refers to the Roman god Jupiter and was intended to indicate that all of these planets were similar to Jupiter.

Explanation:

i hope this helps

7 0

2 years ago

What two systems work with the digestive system to control digestion speed? a. Endocrine and Excretory c. Circulatory and Nervou

Vlad [161]

I think it is A) but someone might need to double check that.

8 0

3 years ago

Read 2 more answers

The energy transfer diagram represents the energy of a person diving into a pool.

GREYUIT [131]

The answer is A) 1000 J
According to the law of conservation of energy, the total energy before an action is always equal to the total energy after the action.
So that is, the total energy is 8000J found as potential energy, 7000J has transformed into kinetic energy, then the thermal energy should be the remaining 1000J.

Hope this helps.

6 0

2 years ago