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rjkz [21]
3 years ago
13

If the weight of the bowling ball acts down with a force of 200 N, what force would the table need to push up with to keep the b

owling ball from flying skyward or sinking into the table?
Physics
1 answer:
zavuch27 [327]3 years ago
3 0
5858585 8 8 855858 858  585858
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A CD has to rotate under the readout-laser with a constant linear velocity of 1.25 m/s. If the laser is at a position 3.7 cm fro
Savatey [412]

Answer:N=322.53 rpm

Explanation:

Given

Linear velocity (v)=1.25 m/s

Position from center is 3.7 cm

we know

v=\omega \times r

1.25\times 100=\omega \times 3.7

\omega =\frac{125}{3.7}=33.78

and \frac{2\pi N}{60}=\omega

N=\frac{\omega \times 60}{2\pi }

N=\frac{33.78\times 60}{2\pi }

N=322.53 rpm

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4 0
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The inner planets formed:
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Answer:

a. by collisions and mergers of planetesimals.

Explanation:

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The main ingredient of these planets are solar nebula and interstellar dust condensation of which leads to formation of small rock particles. These particles come close to each other under in the influence of gravity and other forces. As the mass of the particles increase they form planetesimals, these planetesimals eventually merge to form planets.

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I’m so confused someone help
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