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3 years ago

From Smallest to Largest Moon asteroid meteorite meteoroid

Physics

2 answers:

Yanka [14]3 years ago

7 0

Meteorite meteoroid asteroid moon give brainlest please

Korolek [52]3 years ago

7 0

In my view
Meteorite
Meteoroid
Asteroid
Moon

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The distance between adjacent nodes in a standing wave pattern in a length of string is 25.0 cm:A. What is the wavelength of wav

mina [271]

A) 50 cm

B) 10000 cm/s

Explanation

Step 1

If you know the distance between nodes and antinodes then use this equation:

$\begin{gathered} \frac{\lambda}{2}=D \\ \text{where}\lambda\text{ is the wavelength} \\ D\text{ is the distance betw}een\text{ nodes} \end{gathered}$

then, let

$D=\text{ 25 cm }$

now, replace to find the wavelength

$\begin{gathered} \frac{\lambda}{2}=25 \\ \text{Multiply both sides by 2} \\ \frac{\lambda}{2}\cdot2=25\cdot2 \\ \lambda=50\text{ Cm} \end{gathered}$

so, the wavelength is

A) 50 cm

Step 2

The speed of a wave can be found using the equation

$v=\lambda f$

or velocity = wavelength x frequency,

then,let

$\begin{gathered} \lambda=50\text{ cm} \\ f=200\text{ Hz} \end{gathered}$

replace and evaluate

$\begin{gathered} v=\lambda f \\ v=50\text{ cm }\cdot200\text{ HZ} \\ v=10000\text{ }\frac{\text{cm}}{s} \end{gathered}$

B) 10000 cm/s

I hope this helps you

6 0

1 year ago

Suppose that you measure the light of a star between 640 and 680 nm and you get a very strong peak around 650 nm. what can you s

Llana [10]

Answer: The star is moving away from Earth

Explanation:

Let's begin by explaining what the Doppler shift is:

This is related to the Doppler effect and refers to the change in a wave perceived frequency (or wavelength=color) when the emitter of the waves, and the observer move relative to each other.

From there, it is deduced that the farther the object is, the more redshifted it is in its spectrum. For example, as a star moves away from the Earth, its espectrum turns towards the <u>red</u> and as the star moves toward the Earth, its espectrum turns towards the <u>blue</u>.

In this sense, since the peak in wavelength is around 650 nm, which corresponds to red, it can be said the star is moving away from Earth.

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4 years ago

A vector is any quantity that has no units of measurement

djyliett [7]

False. Velocity is a vector and is measured in m/s (in SI, anyway).

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3 years ago

Read 2 more answers

AN airplane travels 4000 m in 20s on a heading 0f 35 degrees north west. Calculate average velocity .

alexandr402 [8]

Isn't velocity Distance over time? if the degree isn't adding resistance it should be 4000 ÷ 20 which gives you 200mps ("per second") which is the velocity without resistance.

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3 years ago

Hi:):):):):):):):):):):):):):):):):):):):):):):):)

Aloiza [94]

Answer:

hi. :)))))))))))))))))))))

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3 years ago