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Virty [35]
3 years ago
11

What is the most widely accepted model used to predict the future of the universe?

Physics
2 answers:
Elena L [17]3 years ago
8 0
The most widely accepted model used to predict the future of the universe is the A. An open universe
lukranit [14]3 years ago
5 0

Answer A an Open Universe

The future of universe is predicted from space time curve. There are many possibilities solutions or outcomes which on plotting are classified as open, close, flat and curved. Open Universe is when universe is expanding and it will continue to expand forever. This is proved experimentally as well that universe is expanding using red and blue shift observations from various aspects.

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4 years ago
An ideal spring is fixed at one end. A variable force F pulls on the spring. When the magnitude of F reaches a value of 49.8 N,
tatiyna

Answer:

W = 7.06 J

Explanation:

From the given information the spring constant 'k' can be calculated using the Hooke's Law.

F = kx\\49.8 = k(0.181)\\k = 275.13~N/m

Now, using this spring constant the additional work required by F to stretch the spring can be found.

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W = U_2 - U_1\\W = \frac{1}{2}kx_2^2 - \frac{1}{2}kx_1^2 = \frac{1}{2}(275.13)[0.29^2 - 0.18^2] = 7.06~J

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4 years ago
Does the temperature of the water change the fluid pressure in the water?
ruslelena [56]
Yes the temp should be changed
3 0
3 years ago
A sound wave has a wavelength of 15 meters with a frequency of 2.5 Hz. What would the velocity be for this situation in
rodikova [14]

Answer:

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