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statuscvo [17]
4 years ago
10

How would we be able to detect a large asteroid if it were heading straight for earth?

Physics
1 answer:
Stolb23 [73]4 years ago
7 0
<span>Answer: NASA in US using its super powerful telescope checks all the meteorites ,asteroids that may land on Earth. It deflects the asteroids ,meteorites from their respective path using copper ball . But it is not wholly practical as sometimes these meteorites get enter into key hole .</span>
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A metal sphere has a net negative charge of 1.1 x 10^6 coulomb. Approximately how many more electrons than protons are on the sp
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Answer:

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3 years ago
When light passes through a convex lens, it does this.....
Tpy6a [65]

Explanation:

6. Converge or come together

7. convex

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3 years ago
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Which component is used to change alternating current to direct current? a diode an integrated circuit a transistor a capacitor
lesantik [10]

As we know that equivalent resistance of a capacitor for an AC circuit is given as

X_c = \frac{1}{\omega C}

so here for an AC circuit capacitor will provide less resistance to AC component of the current

While for DC as we know it has ZERO frequency

so we will have large resistance

so here we will have to use capacitor as a filter circuit which will separate AC component of current from the DC current

So correct answer will be

CAPACITOR

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3 years ago
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What happens when an experiment with new information or new technology produces results that support an existing theory? the the
Oksi-84 [34.3K]
The theory is revised or updated. It may strengthen; however, cannot become a law. The "catch" with theories is that they may be disproven at any point in time by experimental results that contradict them. Therefore, they cannot become a law by just one additional supporting experiment. 
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3 years ago
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The speed of a box traveling on a horizontal friction surface changes from vi = 13 m/s to vf = 11.5 m/s in a distance of d = 8.5
ValentinkaMS [17]

The average power supplied to the box by friction while it slows from 13 m/s to 11.5 m/s is 3.24 W.

<h3>Acceleration of the box</h3>

The acceleration of the box is calculated as follows;

vf² = vi² + 2as

a = (vf² - vi²)/2s

a = (11.5² - 13²) / (2 x 8.5)

a = -2.16 m/s²

<h3>Time of motion of the box</h3>

The time taken for the box to travel is calculated as follows;

a = (vf - vi)/t

t = (vf - vi) / a

t = (11.5 - 13) / (-2.16)

t = 0.69 s

<h3>Average power supplied by the friction</h3>

P = Fv

P = (ma)(vf - vi)

P = (1 x -2.16) x (11.5 - 13)

P = 3.24 W

Thus, the average power supplied to the box by friction while it slows from 13 m/s to 11.5 m/s is 3.24 W.

Learn more about average power here: brainly.com/question/19415290

#SPJ1

7 0
2 years ago
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