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3 years ago

CORRECT ANSWER WILL BE REWARDED BRAINLIEST

Physics

1 answer:

Mandarinka [93]3 years ago

7 0

Answer:

What is 2^-3 x 3^-2 as a fraction?

What is (-2)^-3 x (-3)^-2 as a fraction

Explanation:

I need these pls. SORRYYY

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What is the goal of scientific methods?

Ksivusya [100]

The goal of scientific method is to produce public knowledge. That is knowledge available to any person with sufficient education, all such knowledge can be verified by or deduced from experiments and observations.

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3 years ago

Which statement best describes the role of folders in your operating system?

nordsb [41]

"Folders allow you to organize and maintain files" is the statement that best describes the role of folders in the operating system. The correct option in respect to the question given is option "D". Folders help a person to assimilate all the required files within one common space. It helps the person to find all documents related to a single subject within a single folder. If the folder was not present, then there was probality of missing an important file or loosing valuable time searching through a huge number of files. The folder can easily be moved from one drive to another without any hassle.

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3 years ago

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Consult Interactive Solution 7.10 for a review of problem-solving skills that are involved in this problem. A stream of water st

AlekseyPX

Explanation:

Initial speed of the incident water stream, u = 16 m/s

Final speed of the exiting water stream, v = -16 m/s

The mass of water per second that strikes the blade is 48.0 kg/s.

We need to find the magnitude of the average force exerted on the water by the blade. The force acting on an object is given by :

$F=\dfrac{m(v-u)}{t}$

Here, $\dfrac{m}{t}=48\ kg/s$

$F=48\times (-16-16)\ N\\\\F=-1536\ N\\\\|F|=1536\ N$

So, the magnitude of the average force exerted on the water by the blade is 1536 N.

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3 years ago

IT FOR 22 PTS The______of a wave is the number of wavelengths that pass a fixed point in a second.

frutty [35]

top beacause it is the highest point

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4 years ago

The top of a tower much like the leaning bell tower at Pisa, Italy, moves toward the south at an average rate of 1.4 mm/y. The t

Gemiola [76]

Answer:

$\omega=7.16*10^{-13}\frac{rad}{s}$

Explanation:

The angular speed is given by:

$\omega=\frac{v}{r}$

Here v is the linear speed and r is the radius of the circular motion. The height of the tower is equal to the radius of the circular motion of the top of the tower, since is rotating about its base. We need to convert the given linear speed to $\frac{m}{s}$ :

$1.4\frac{mm}{y}*\frac{10^{-3}m}{1mm}*\frac{1y}{3.154*10^7s}=4.44*10^{-11}\frac{m}{s}$

Now, we calculate the angular speed:

$\omega=\frac{4.44*10^{-11}\frac{m}{s}}{62m}\\\omega=7.16*10^{-13}\frac{rad}{s}$

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4 years ago