2 years ago

What is dark energy? How is dark energy related to the theory of the multiverse?

1 answer:

4 0

Answer:

In the 1980s, astronomers turned to multiverse theory to explain the “luckily small” amount of dark energy in our universe. According to cosmologist's theories, this small amount of dark energy appeared to enable our universe to host life, while most universes in the multiverse couldn't.

Explanation:

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What is the mass of an object that is hanging 12.6 m above the surface of the earth and has a

satela [25.4K]

Answer:

22.05 Kg

Explanation:

Apply the formula:

GPE = Gravity . Mass . ΔHigh

2778.3 = 10 . Mass . 12.6

2778.3 = 126 . Mass

Mass = 2778.3/126

Mass = 22.05

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2 years ago

San Jose to San Francisco is approximately 7200 meters away. If it takes you 3600 seconds to drive by car what is the velocity?

svetlana [45]

V=s/t=>7200/3600=2m/s

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2 years ago

A cat leaps to catch a bird. if the cat's jump was at 60.0° off the ground and its initial velocity was 2.74 m/s, what is the hi

user100 [1]

Answer:

0.29 m

Explanation:

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2 years ago

Many people drink 2 cans of coke each day. If each can has 39 grams of sugar, how many pounds of sugar is consumed each week? Gi

trasher [3.6K]

Answer:

1.20372

Explanation: start with 39 times 2 for how much grams each day and then multiply that by 7 then the convert grams into pounds

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2 years ago

Electromagnetic waves differ from other types of waves because they are (2 points)

saveliy_v [14]

Answer:

b. able to travel through a vacuum.

Explanation:

The most distinguishing factor of an electromagnetic waves is that they are able to travel through a vacuum.

These waves do not require materials in a medium for propagation.

Electromagnetic waves are formed by the propagation of the electric and magnetic fields.
They vibrate at an angle of 90° .
They are unlike like mechanical waves that requires that requires materials in medium for their propagation.

7 0

2 years ago