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4 years ago

How could you compare the energy carried in two different longitudinal waves

2 answers:

7 0

<span>U could compare them using the intensity technique when bending waves are negligible in comparison with quasi-longitudinal waves.</span>

Yuliya22 [10]4 years ago

5 0

<span>Energy carried in two ways can be campared by using the intensity technique when bending waves are negligible in comparison with quasi-longitudinal waves.</span>

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Odometer measures distance

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4 years ago

The difference between an experimental value and an accepted value is

likoan [24]

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3 years ago

Why does an object hover over a large magnet

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4 years ago

In the sum A→+B→=C→, vector A→ has a magnitude of 13.6 m and is angled 40.2° counterclockwise from the +x direction, and vector

il63 [147K]

Answer:

$|B|=27.00425726m$

$\alpha =210.3781372$ °

Explanation:

Let's use the component method of vector addition:

$A_x=13.6cos(40.2)=10.38762599\\A_y=13.6sin(40.2)=8.778224553\\Cx=13.8cos(20.7+180)=-12.90912763\\Cy=13.8sin(20.7+180)=-4.877952844$

Now, we know:

$C_x=A_x+B_x\\\\C_y=A_y+b_y$

So:

$B_x=C_x-A_x=-23.29675362\\B_y=C_y-A_y=-13.6561774$

Now lets calculate the magnitude of the vector B:

$|B|=\sqrt{(B_x)^{2} +(B_y)^{2} }=27.00425726m$

Finally its angle is given by:

$\alpha =(arctan(\frac{B_y}{B_x}))+180=30.37813438+180=210.3781344$ °

Keep in mind that I added 180 to the angles of C and B to find the real angles measured from the + x axis counter-clock wise.

8 0

3 years ago

Planet that has an orbit that intersects the orbit of pluto

Scilla [17]

<h2>Answer: Neptune </h2>

The dwarf planet Pluton, <u>has the most eccentric orbit</u> (more elliptical and elongated) of all the planets, and as a consequence its orbit is "intersected" by the orbit of Neptune.

However, <u>despite this intersection, there is no collision risk between these two bodies</u>, since the orbit of Pluto is located in an orbital plane different from that of the other planets and therefore different from that of Neptune, its nearest neighbor. In addition, the orbit of Pluton is inclined $17\°$ on the the ecliptic plane (plane where the other planets move around the Sun).

8 0

3 years ago