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sergeinik [125]
3 years ago
7

Which of the following statements best explains why genetic variation is important to the survival of a population?

Physics
2 answers:
Oxana [17]3 years ago
6 0
D. Genetic variation increases the likelihood of an allele being present that is best suited for the environment.
bulgar [2K]3 years ago
5 0
D,genetic variation gives organisms a better chance to live.
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A jet transport has a weight of 2.25 x 106 N and is at rest on the runway. The two rear wheels are 16.0 m behind the front wheel
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Answer:

Explanation:

Given that,

Weight of jet

W = 2.25 × 10^6 N

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A. Normal force entered on the ground by front wheel.

Taking moment about the the about the real wheel.

Check attachment for better understanding

So,

Clock wise moment = anti-clockwise moment

W × 5.4 = N × 16

2.25 × 10^6 × 5.4 = 16•N

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N = 7.594 × 10^5 N

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Using the second principle of equilibrium body.

Let the rear wheel normal be Nr and note, the are two real wheels, then, there will be two normal forces

ΣFy = 0

Nr + Nr + N — W = 0

2•Nr = W—N

2•Nr = 2.25 × 10^6 — 7.594 × 10^5

2•Nr = 1.491 × 10^6

Nr = 1.491 × 10^6 / 2

Nr = 7.453 × 10^5 N

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The doppler effect is used to determine?
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