3 years ago

What airplanes did the ffa ground earlier this year after several crashes?

Physics

1 answer:

frez [133]3 years ago

8 0

The FFA is the Future Farmers of America. It has no authority in aeronautical matters.

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Two identical cylindrical vessels with their bases at the same level each contain a liquid of density 1.23 g/cm3. The area of ea

motikmotik

Explanation:

Work done by gravity is given by the formula,

W = $\rho A (h_{1} - h)g (h - h_{2})$ ......... (1)

It is known that when levels are same then height of the liquid is as follows.

h = $\frac{h_{1} + h_{2}}{2}$ ......... (2)

Putting value of equation (2) in equation (1) the overall formula will be as follows.

W = $\frac{1}{4} \rho gA(h_{1} - h_{2})^{2})$

= $\frac{1}{4} \times 1.23 g/cm^{3} \times 9.80 m/s^{2} \times 3.89 \times 10^{-4} m^{2}(1.76 m - 0.993 m)^{2})$

= 0.689 J

Thus, we can conclude that the work done by the gravitational force in equalizing the levels when the two vessels are connected is 0.689 J.

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3 years ago

When water molecules are disappearing into the air, there is a net _______?

MrRa [10]

Evaporation would be the answer.

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2 years ago

Please need help on this thank you

lys-0071 [83]

I am pretty sure it is B....

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3 years ago

What causes thunder?

LUCKY_DIMON [66]

I believe the answer is B.

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3 years ago

Differentiate between center of mass and center of gravity

ELEN [110]

Answer:

Centre of mass is the point at which the distribution of mass is equal in all directions, and does not depend on gravitational field. Centre of gravity is the point at which the distribution of weight is equal in all directions, and does depend on gravitational field.

Explanation:

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3 years ago