3 years ago

What effect does the Earth spinning on its axis have on the winds and currents?

Physics

1 answer:

patriot [66]3 years ago

3 0

C i don’t know tho i could be wrong

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What causes changes of states in matter?

miv72 [106K]

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4 years ago

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shutvik [7]

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4 years ago

How strong is the electric field between two parallel plates 5.8 mm apart if the potential difference between them is 200 V?

crimeas [40]

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E = V/d

E = 220 v / 0.0056m

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3 years ago

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3 years ago

A ceiling fan with 90-cm-diameter blades is turning at 64 rpm . Suppose the fan coasts to a stop 28 s after being turned off. Wh

mixas84 [53]

Answer:

the speed of the tip of a blade 10 s after the fan is turned off is 16.889 m/s.

Explanation:

Given;

diameter of the ceiling fan, d = 90 cm = 0.9 m

angular speed of the fan, ω = 64 rpm

time taken for the fan to stop, t = 28 s

The distance traveled by the ceiling fan when it comes to a stop is calculated as;

$d = vt = \omega r\times t= ( \frac{64 \ rev}{\min} \times \frac{2 \pi \ rad}{rev} \times \frac{1 \min}{60 \ s} \times 0.9 \ m) \times 28 \ s\\\\d = 168.89 \ m$

The speed of the tip of a blade 10 s after the fan is turned off is calculated as;

$v = \frac{d}{t} \\\\v = \frac{168.89}{10} \\\\v = 16.889 \ m/s$

Therefore, the speed of the tip of a blade 10 s after the fan is turned off is 16.889 m/s.

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3 years ago