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mezya [45]
3 years ago
6

Once potential energy is lost on a roller coaster it cannot be gained all the way back true or false

Physics
1 answer:
nignag [31]3 years ago
4 0

Answer:

true

Explanation:

because the roller coaster can't work without energy

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While practicing the trumpet you notice that every time you play a particular note a window in the room rattles. How can you exp
kherson [118]
The sound waves travel because of the pitch of the note so the window rattles.
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3 years ago
The activation of the sympathetic division would prepare people for
vagabundo [1.1K]
<span>The answer is fight or flight response.
The activation of the sympathetic division would prepare people for "fight or flight" response.
</span><span>The other names that are used for the fight or flight response are hyperarousal, response and the acute stress response.
There are two divisions in </span><span>autonomic nervous system, one of the division is sympathetic division and the other one is parasympathetic division.</span><span>
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7 0
3 years ago
Find the distance from a point charge q=100nC where the field intensity is equal to E=6kN/C. please include description of the r
madam [21]

Answer: 0.3872m

Explanation:

q= 100nC -->  100x10^-9 C

k= 9x10^9 Nm^2/C^2

E= 6kN/C --> 600 N/C

r=?

E= K\frac{q}{r^{2} } --> r=\sqrt{\frac{kq}{E} } Despejas "r"

Resuelves

<h3>r=\sqrt{\frac{(9x10^9 Nm^2/C^2)(100x10x^{-9}  C)}{6000N/C} }  (la x es por, no es una variable)</h3><h3>r= 0.3872983346m</h3>
4 0
3 years ago
Scenario 2: A dam was built California in 1999 to block the Santa Ana River and help generate
8_murik_8 [283]

Answer:

Some of the effects of a dam on the environment includes;

1) Increase in the amount of the greenhouse gases

2) Removal of the natural wetland and ocean carbon sinks

3) Disruption of the sources of nutrients in the ecosystem

4) Destruction of habitats

5) Raising of the sea levels and waste waters

6) Displace villages and communities

7) Dams have a potential to create flood risk

8) Dams lead to increased water loss due to evaporation and transpiration

9) Dams causes earthquakes

Explanation:

Dams are a source of renewable energy and are a means to prevent floods, however, dams can also have detrimental impact on the climate and the environment.

4 0
3 years ago
M
Zigmanuir [339]

Answer:

it’s 2.5 m/s

Explanation:

i’m too lazy but trust

6 0
2 years ago
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