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31 December, 13:40

When the air density is 0 kg/m° (vacuum), how long will it take an object to reach terminal velocity?

a. It reaches terminal velocity immediately.

b. 2 seconds

5 Seconds

d. The object never reaches terminal velocity.

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Answers (1)
  1. 31 December, 13:55
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    d. The object never reaches terminal velocity.

    Explanation:

    Terminal velocity is the velocity a falling object reaches when the air resistance equals the weight. But in a vacuum, there is no air resistance. So the object never reaches terminal velocity.
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