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Alex777 [14]
2 years ago
8

What causes global winds?

Physics
1 answer:
11111nata11111 [884]2 years ago
8 0
A: Temperature difference between air over land and air over water
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How do you measure the wavelength of a wave?
antiseptic1488 [7]

Answer: velocity divided by frequency

Explanation: wave speed or velocity measured in meters per second divided by frequency of wave measured in hz

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3 years ago
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Which evidence is lost likely used to indicate the beginning of solar system formation?
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Explanation :

Our solar system was formed about 4.6 billion years ago. It is formed when gravity exerted low-density cloud of interstellar gas and dust. The massive cloud of gas and dust is called as Orion Nebula.  

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3 years ago
I NEED THIS A SOON AS POSSIBLE
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Work is done when spring is extended or compressed. Elastic potential energy is stored in the spring. Provided inelastic deformation has not happened, the work done is equal to the elastic potential energy stored.

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2 years ago
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If a quasar is moving away from us at v/c = 0.8, what is the measured redshift?
Delicious77 [7]

Answer:

The measured redshift is z =2

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Since the object is traveling near light speed, since v/c = 0.8, then we have to use a redshift formula for relativistic speeds.

z= \sqrt{\cfrac{c+v}{c-v}}-1

Finding the redshift.

We can prepare the formula by dividing by lightspeed inside the square root to both numerator and denominator to get

z= \sqrt{\cfrac{1+\cfrac vc}{1-\cfrac vc}}-1

Replacing the given information

z= \sqrt{\cfrac{1+0.8}{1-0.8}}-1

z= \sqrt{\cfrac{1.8}{0.2}}-1\\z= \sqrt{9}}-1\\z=3-1\\z=2

Thus the measured redshift is z = 2.

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