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ANEK [815]
3 years ago
6

(HELP QUICK!!) Air pressure is a result of _____

Physics
2 answers:
docker41 [41]3 years ago
7 0
I’m so sorry if it’s wrong, but I think it’s
A. Winds
katovenus [111]3 years ago
3 0

Answer:

A. Winds is the answer to the question

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Example 2.1
tatiyna

Answer:

5 min 20 km --------

Explanation:

5 min 20 km --------

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2 years ago
A helium nucleus (charge = 2e, mass = 6.63 10-27 kg) traveling at 6.20 105 m/s enters an electric field, traveling from point ci
MA_775_DIABLO [31]

Answer:

v_B=3.78\times 10^5\ m/s

Explanation:

It is given that,

Charge on helium nucleus is 2e and its mass is 6.63\times 10^{-27}\ kg

Speed of nucleus at A is v_A=6.2\times 10^5\ m/s

Potential at point A, V_A=1.5\times 10^3\ V

Potential at point B, V_B=4\times 10^3\ V

We need to find the speed at point B on the circle. It is based on the concept of conservation of energy such that :

increase in kinetic energy = increase in potential×charge

\dfrac{1}{2}m(v_A^2-v_B^2)=(V_B-V_A)q\\\\\dfrac{1}{2}m(v_A^2-v_B^2)={(4\times 10^3-1.5\times 10^3)}\times 2\times 1.6\times 10^{-19}=8\times 10^{-16}\\\\v_A^2-v_B^2=\dfrac{2\times 8\times 10^{-16}}{6.63\times 10^{-27}}\\\\v_A^2-v_B^2=2.41\times 10^{11}\\\\v_B^2=(6.2\times 10^5)^2-2.41\times 10^{11}\\\\v_B=3.78\times 10^5\ m/s

So, the speed at point B is 3.78\times 10^5\ m/s.

7 0
3 years ago
A ship sails east from a harbor for 16 nautical miles. it then sails in the direction of n 55 e for 18 nautical miles. how far i
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<span> Use the Law of Cosines, where you have a triangle with included angle of 145 degrees and sides of 16 and 18. You are then solving the equation: </span>

<span>d^2 = 16^2 + 18^2 - 2(16)(18)cos(145)        </span>
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Why does of beam of light ben when it passes into a new medium?
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Answer:

The bending occurs because light travels more slowly in a denser medium.

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3 years ago
In longitude waves, the medium moves parallel to the direction of energy transport
adelina 88 [10]
Yep that's correct
And transverse waves move perpendicular to the direction of energy transport
7 0
3 years ago
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