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mars1129 [50]
2 years ago
15

-15 (miles) + 15 (per hour)?

Physics
1 answer:
larisa86 [58]2 years ago
4 0

Answer:

<h2>15 ball in your face per hour </h2>

Explanation:

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Dust particles in air have a typical mass of 5.0 x 10-16 kg. They undergo irregular motion due to collisions with air molecules.
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Answer:

Rms speed of the particle will be  38.68\times 10^8m/sec

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