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Aneli [31]
3 years ago
11

Which word best completes the sentence?

Physics
1 answer:
Oksanka [162]3 years ago
8 0

Answer:

it’s cosmopolitan

Explanation:

k12

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A 1.3-kg model airplane flies in a circular path on the end of a 23-m line. The plane makes
storchak [24]

(a) The plane makes 4.3 revolutions per minute, so it makes a single revolution in

(1 min) / (4.3 rev) ≈ 0.2326 min ≈ 13.95 s ≈ 14 s

(b) The plane completes 1 revolution in about 14 s, so that in this time it travels a distance equal to the circumference of the path:

(2<em>π</em> (23 m)) / (14 s) ≈ 10.3568 m/s ≈ 10 m/s

(c) The plane accelerates toward the center of the path with magnitude

<em>a</em> = (10 m/s)² / (23 m) ≈ 4.6636 m/s² ≈ 4.7 m/s²

(d) By Newton's second law, the tension in the line is

<em>F</em> = (1.3 kg) (4.7 m/s²) ≈ 6.0627 N ≈ 6.1 N

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3 years ago
Donna is leaming about the water cycle in school. She knows that runoff is water that flows over land surfaces,
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3 years ago
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11111nata11111 [884]

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2 years ago
In 1958 a large earthquake in Alaska produced a tsunami. What was the approximate height of the tsunami?
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The approximate height of the tsunami in Alaska in 1958 is 1720ft
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A resistor with R = 300 Ω and an inductor are connected in series across an ac source that has voltage amplitude 500 V. The rate
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Answer:

Explanation:

impedance z=(XL^2+R^2)^1/2

power across te resistor ==i^2r

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I=.976

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