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ICE Princess25 [194]
4 years ago
12

which statement is true about wind energy? A) It is clean and non-polluting. B) It is only effective near water. C) It is costly

and hard to produce. D) It is not as useful as fossil fuels.
Physics
2 answers:
nikitadnepr [17]4 years ago
5 0
I think it would be option A . 
Temka [501]4 years ago
5 0
A, it is clean and non polluting

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When atoms get more and more energy, they can ionize. What can happen to a gas as more energy is added to its atoms?
Ulleksa [173]

Answer: Option (A) is the correct answer.

Explanation:

When more and more energy is provided to a gas then its atoms move more rapidly.

This rapid and continuous movement converts the gas into hot ionized ions which have positively charged ions and negatively charged electrons.

Therefore, we can conclude that as the atoms move faster, the gas can change into a plasma.

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How do convection cells in Earth's atmosphere cause high and low pressure belts?
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Areas of rising air causes low air pressure areas and <span>Areas of sinking air are areas of high air </span>pressure
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4 years ago
The temperature of a gas is increased from 125 celsius inside a rigid container. The original pressure of a gas was 1.22atm, wha
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The temperature of a gas is increased from 125 celsius inside a rigid container. The original pressure of a gas was 1.22atm, what will the pressure of a gas be after the temperature changes?

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3 years ago
The 5-lb collar is released from rest at A and travels along the frictionless guide. Determine the speed of the collar when it s
Sholpan [36]

Answer:

Explanation:

Stiffness of spring k equal to 4 lb/ft.

Unstretched length of the spring L is equal to 0.5 feet.  

Weight of the collar W is 15lb

Radius of curvature of curve guide is 1 feet

length of vertical rod is 1.5 feet

Initial speed of collar when released from rest at A is 0 feet per seconds  

use the energy conservation equation

 P_A +K_A=P_B+K_B

Estimate the potential energy , component as position B as below

P_A=Wh_1+\frac{1}{2} ks^2_1\\\\=5\times(1.5+1)+\frac{1}{2} \times 4 \times(1.5+1-0.5)^2\\\\=20.5lb.ft

Estimate the kinetic energy , component as position A as below

K_A=\frac{1}{2} \frac{W}{g} V^2_1\\\\=\frac{1}{2} \frac{5}{32.2} \times0^2\\\\=0lb.ft

Estimate the kinetic energy , component as position B as below

K_A=\frac{1}{2} \frac{W}{g} V^2_2\\\\=\frac{1}{2} \frac{5}{32.2} \times V^2_2\\\\=00777V^2_2

Substitute 20.5lb- ft for P_A

0.5lb-ft for P_B

0lb -ft for K_A

0.0777V_2^2 for K_B

20.5+0=0.5+0.777V^2_2\\\\V^2_2=257.6\\\\V_2=16.05

= 16.05ft/sec

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3 years ago
For an individual ( not a repair station) to conduct a complete 100 hour inspection on an aircraft and approve it for return to
Oliga [24]

Answer:

For an individual ( not a repair station) to conduct a complete 100 hour inspection on an aircraft and approve it for return to service requires a mechanic certificate with and powerplant and airframe ratings

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Because these are important certificates issued by the FAA giving the mechanic authority to inspect to inspect an aircraft and approve its return to services

8 0
3 years ago
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