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Flauer [41]
3 years ago
10

True or False:A wind is a horizontal movement of air from an area of high pressure to an area of lower pressure.

Physics
1 answer:
Taya2010 [7]3 years ago
5 0

Answer:

True

Explanation:

  • When the air blows from high pressure to an area of low pressure over the surface of the earth it is called wind.
  • The greater the pressure difference more is the speed of the wind. The instrument used to measure the speed of the wind is called an anemometer.
  • The winds are named after the direction from which they flow.
  • Calm winds are the slowest of its kind whereas the gale-winds are the strongest winds.
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Two bicycle tires are set rolling with the same initial speed of 3.30 m/s along a long, straight road, and the distance each tra
vredina [299]

Answer:

At low pressure- \mu_{k}=0.02315

At high pressure- \mu_{k}=0.00445

Explanation:

Initial speed, V_{i}=3.3 m/s

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From kinematic relation, V_{f}^{2}- V_{i}^{2}=2ad

For each tire,

V_{f}^{2}- V_{i}^{2}=2\mu_{k}gd

Making \mu_{k} the subject

\mu_{k}=\frac {V_{f}^{2}- V_{i}^{2}}{2gd}

Under low pressure of 40 Psi, d=18 m

\mu_{k}=\frac {1.65^{2}- 3.3^{2}}{2*9.8*18}=-0.02315

Therefore, \mu_{k}=0.02315

At a pressure of 105 Psi, d=93.7

\mu_{k}=\frac {1.65^{2}- 3.3^{2}}{2*9.8*93.7}=-0.00445

Therefore, \mu_{k}=0.00445

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3 years ago
An open beaker of pure water has a water potential of.
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Answer: Having Pure Water Is Zero.

Explanation: ...

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A current of 9 A flows through an electric device with a resistance of 43 Ω. What must be the applied voltage in this particular
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The answer is D. Hope this helps you!
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1) The current in a light bulb is 0.335 Amps. How long does it take for a total charge of 2.76 C to
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Time=8.23880597 seconds

Explanation:

Quantity of charge(q)=2.76c

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3 years ago
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