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Nostrana [21]
4 years ago
12

Can someone help because I am very confused

Physics
1 answer:
Rzqust [24]4 years ago
3 0
I can't see ot carefuly
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If your heart is not strong enough or efficient enough, it is difficult to (3 points)
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it's difficult to breathe.

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The planet earth orbits around the sun and also spins around its own axis. True or False
posledela

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This is True

Explanation: The Earth rotates around its own axis, which results in day changing to night and back again. The Earth actually revolves around, or orbits, the sun. One revolution around the sun takes the Earth about 365 days, or one year. Forces at work in the solar system keep the Earth, as well as the other planets, locked into predictable orbits around the sun.

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2. Starting from the origin, a person walks 4 km east during first day, and 7 km west the
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The total distance is 4 + 7 = 11 Km
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3 years ago
Which of the following is an example of how humans can increase biodiversity?
Leto [7]

Answer:

The following is an example of how humans can increase biodiversity

Provide Wildlife Corridors and Connections Between Green Spaces

Use Organic Maintenance Methods and Cut Back On Lawns

Use a Native Plant Palette and Plant Appropriately

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7 0
3 years ago
A penny rides on top of a piston as it undergoes vertical simple harmonic motion with an amplitude of 4.0cm. If the frequency is
nadezda [96]

Answer:

in the downward movement of the movement when the constant is lost

Explanation:

When the coin is on the piston it has a relationship given by

       a = d²x / dt²

the piston position is

      x = A cos wt

      a = - A w² cos wt

the maximum acceleration is

     a = - A w²

When the piston raises the acceleration of gravity and that of the piston go in the same direction, when the piston descends they relate it is contrary to gravity, therefore when the frequency increases, the point where the acceleration of the piston is greater than gravity arrives and the coin loses contact.

The point where you lose contact is

      a = g

      g = A w²

In short, in the downward movement of the movement when the constant is lost

7 0
3 years ago
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