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larisa [96]
3 years ago
5

ty sm i got a better score than the first time i had a 25.6 =v= but i got a 85.4 bc your guys helpped ty

Physics
2 answers:
yanalaym [24]3 years ago
7 0
Good job!! we’re always here to help


mezya [45]3 years ago
3 0

Answer:

Im glad you got a good score, love!

Explanation:

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. If she
I am Lyosha [343]

Answer:

9 meters

Explanation:

Given:

Mass of Avi is, m=40\ kg

Spring constant is, k=176,400\ N/m

Compression in the spring is, x=20\ cm=0.20\ m

Let the maximum height reached be 'h' m.

Now, as the spring is compressed, there is elastic potential energy stored in the spring. This elastic potential energy is transferred to Avi in the form of gravitational potential energy.

So, by law of conservation of energy, decrease in elastic potential energy is equal to increase in gravitational potential energy.

Decrease in elastic potential energy is given as:

EPE=\frac{1}{2}kx^2\\EPE=\frac{1}{2}\times 176400\times (0.20)^2\\EPE=88200\times 0.04=3528\ J

Now, increase in gravitational potential energy is given as:

GPE=mgh=40\times 9.8\times h=392h

Now, increase in gravitational potential energy is equal decrease in elastic potential energy. Therefore,

392h=3528\\\\h=\frac{3528}{392}\\\\h=9\ m

Therefore, Avi will reach a maximum height of 9 meters.

6 0
3 years ago
Which of these organs is an endocrine structure?
Gre4nikov [31]

Answer: Actually three of them are. The ovaries, the uterus and fallopian tubes.

6 0
2 years ago
Whats a peer review?
Goryan [66]
B is the answer to your question
8 0
3 years ago
Read 2 more answers
Two sources emit beams of light of wavelength 550 nm. The light from source A has an intensity of 10 μW/m2, and the light from s
alexira [117]

Answer:

<em>A) Beam B carries twice as many photons per second as beam A.</em>

Explanation:

If we have two waves with the same wavelength, then their intensity is proportional to their power, or the energy per unit time.

We also know that the amount of photon present in an electromagnetic beam is proportional to the energy of the beam, hence the amount of beam per second is proportional to the power.

With these two facts, we can say that the intensity is a measure of the amount of photon per second in an electromagnetic beam. So we can say that <em>beam B carries twice as more power than beam A, or Beam B carries twice as many photons per second as beam A.</em>

3 0
3 years ago
A teacher applles a force to a wall and becomes axhausted.<br> Explanation:
Finger [1]
Because they are using all of there energy to apply the force

Hope this helps — xoxo
3 0
3 years ago
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