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aliina [53]
3 years ago
8

Whats potential energy?

Physics
2 answers:
Kitty [74]3 years ago
7 0

potential energy is the energy held by an object because of its position relative to other objects, stresses within itself, its electric charge, or other factors.

aliina [53]3 years ago
5 0

Answer:

Potential energy is the latent energy in an object at rest, and is one of two forms of energy. The other form, kinetic energy, is the energy expressed by an object in motion. The actual potential energy of an object depends on its position relative to other objects.

Explanation:

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Good morning! Can someone please answer this, ill give you brainliest and you will earn 50 points.
kicyunya [14]

Correct ones are

  • Technical improvements that have made alternative energy sources more practical to use
  • Increase in concern for environment.

why?

Fossil fuels are hydrocarbons

  • Hydrocarbons on burning with oxygen releases harmful carbon dioxide .
8 0
2 years ago
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

Explanation:

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.

4 0
3 years ago
A dancer starts 3 meters from the curtain then moves 8 meters from the curtain in 15 seconds. What was his velocity?
myrzilka [38]
I am pretty sure it is either 45 or 0.2
8 0
3 years ago
Which biome has the most extreme conditions
Lelu [443]
Well this all depends on the region you would like to know about. One biome would be The Tundra. This biome is a very bitter cold. Some times the temperature can drop to -45f! So your answer more than likely would be Tundra.

Have a wonderful day user!
3 0
3 years ago
What is the pressure at a depth of 15 cm brine of density 1.2/cm³? ​
Anna [14]

P = density × gravity acceleration × height

P = 1200 × 9.81 × 15/100

P = 1765.8

6 0
3 years ago
Read 2 more answers
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