3 years ago

What best describes the difference between the second sound wave and the first?

Physics

1 answer:

Vikki [24]3 years ago

8 0

Missing an attached sheet with the sound waves. Please add the attached sheet so I can properly help.

Thanks! :D

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A man stands on a scale in an elevator as shown here. the force of his weight when the elevator is still is fg downward. suppose

Sever21 [200]

When the elevator moves downward, the man weighs less because of the inertia.
Force of Weight:Fg=m×g
Fs=m×g-m×1/4g=m×(g-1/4g)=m×3/4g
If He Went Up you would have to add 1/4g

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3 years ago

Find the magnitude of this<br> vector:

xeze [42]

Answer: = 25. 5 m

Explanation:

2-D vectors can be solved using the Pythagorean theorem:
$a^{2} +b^{2} =c^{2}$
The hypotenuse, or longest side is not given and that is what must be solved for
Direction can be omitted as the question only asks for magnitude
Magnitude: is the distance or quantity in which an object moves during motion

Solve for C using Pythagorean theorem:

1. $\sqrt{a^{2}+b^{2} }=c$

2. $\sqrt{22.2 m ^{2} +12.6m^{2} } =c$

3. $25.52646 m= c$

round to lowest number of significant digits when dividing and multiplying
rounded to 3 significant digits

∴ Magnitude of the vector is 25.5 m

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1 year ago

Meg walks 5 blocks south and then turns around and walks 8 blocks back to the north. The distance that she walks is 13 blocks. W

Drupady [299]

Three blocks north of where she started.

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3 years ago

¿como se llama el ciclo completo que tarda una onda?

prohojiy [21]

Answer: Light travel

Explanation:

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3 years ago

The relationship between power, force, and velocity is ______?

Kipish [7]

Answer: P = FV becuase all of them are equal in strength.

Explanation: In the straight forward cases where a constant force moves an object at constant velocity, the power is just P = Fv. In a more general case where the velocity is not in the same direction as the force, then the scalar product offorce and velocity must be used. P = Power, F = Force, V = Velocity.

Hoped This Helped!

5 0

1 year ago

Read 2 more answers