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Fed [463]
3 years ago
6

Can someone help me with this but give details please? (it's a physics class)​

Physics
1 answer:
tino4ka555 [31]3 years ago
5 0

Answer:

The question is basically asking you to research a instrument that provides scientific-physical terms like sound waves. It also says to explain how different types of instruments provide different tones.(Hint: Sound waves)

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2 years ago
An airplane is heading south at a speed of 600km/h. If a wind begins blowing from the southwest at a speed of 100km/h, calculate
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Answer:

Here's what I got:

Let's assume that N and E are + directions while S and W are - directions.

Wind is blowing from SW; thus, it is blowing towards NE (or at 45 deg N of E).

Dividing the wind's speed into components:y-component: +70.71 km/h; x-component: +70.71 km/h

Dividing the airplane's speed into components:y-component: -600 km/h; x-component: 0 km/h

Adding the components to get the resulting components:y-component: -529.29 km/h; x-component: +70.71

Using the Pythagorean Theorem to find the resulting speed:v^2 = y^2 + x^2 so v = 533.99 km/h

To find the angle of direction, use arctan (y/x):arctan (529.29/70.71) = 82.39 deg

ANSWER: velocity = 533.99 km/h at 82.39 deg S of E

Explanation:

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3 years ago
Which of the following would add more resistance? Check all that apply.
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