Kyle is flying a helicopter at 125 m/s on a heading of 325 o . If a wind is blowing at 25 m/s toward a direction of 240.0 o , what is the craft's resultant velocity?

The resultant velocity of the helicopter is .

Explanation:

Physically speaking, the resulting velocity of the helicopter (), measured in meters per second, is equal to the absolute velocity of the wind (), measured in meters per second, plus the velocity of the helicopter relative to wind (), also call velocity at still air, measured in meters per second. That is:

(1)

In addition, vectors in rectangular form are defined by the following expression:

(2)

Where:

- Magnitude, measured in meters per second.

- Direction angle, measured in sexagesimal degrees.

Then, (1) is expanded by applying (2):

(3)

If we know that , , and , then the resulting velocity of the helicopter is:

The resultant velocity of the helicopter is .

answer;

d. are made mostly of liquid

explanation;

-the general   composition and structure planets includes; they have a thick gas and liquid layer covering a small,solid core. mostly the gases are hydrogen and helium atmosphere and layers of liquid hydrogen. for instance neptune and uranus are examples of the outer planets, they have a core covered by ice and ammonia.

-neptune's atmosphere is hydrogen and helium with a bit of methane so there is no oxygen to breath and the interior is made up of frozen water and ammonia with a rock and iron core. thus, there is no liquid water or solid surface to survive.

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