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UNO [17]
3 years ago
6

What is one way the biosphere can affect the geosphere

Physics
2 answers:
erica [24]3 years ago
3 0

Answer: B

Explanation:

Biosphere breaks down rock of the geosphere (plant roots), but when it comes to soil, minerals of the geosphere feed the plants. Biosphere and atmosphere interact through animal and plant respiration of oxygen and carbon dioxide. Geosphere creates, destroys and keeps various biosphere places safe.

FromTheMoon [43]3 years ago
3 0
the answer is B, because all the earth spheres are interconnected
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Consider the system consisting of the box and the spring, but not Earth. How does the energy of the system when the spring is fu
BabaBlast [244]

Answer:

the energy when it reaches the ground is equal to the energy when the spring is compressed.

Explanation:

For this comparison let's use the conservation of energy theorem.

Starting point. Compressed spring

         Em₀ = K_e = ½ k x²

Final point. When the box hits the ground

         Em_f = K = ½ m v²

since friction is zero, energy is conserved

          Em₀ = Em_f

          1 / 2k x² = ½ m v²

          v = \sqrt{ \frac{k}{m} }     x

Therefore, the energy when it reaches the ground is equal to the energy when the spring is compressed.

5 0
3 years ago
Edward runs with a speed of 3m/s. How long would it take him to run 2km? Give your answer in seconds to four significant figures
Whitepunk [10]

Answer:

666.6 seconds

Explanation:

if he runs at 3m/sec he will achieve the goal of 2000m in 666.6 seconds. just divide - 3/2000.

note we have changed 2km to 2000metres

5 0
3 years ago
A 15.0 g bullet is moving to the right with speed 270 m/s when it hits a target and travels an additional 25.0 cm into the targe
Fantom [35]

Answer:

F=2187\ N

Explanation:

Given:

  • mass of bullet,m=15\ g=0.015\ kg
  • initial velocity of bullet, u=270\ m.s^{-1}
  • displacement of the bullet in the target, s=25\ cm=0.25\ m

Here as given in the question the bullet penetrates the target by the given displacement of the bullet into it. During this process it faces deceleration and hence it comes to rest.

  • so, final velocity of the bullet, v=0\ m.s^{-1}

Now using the equation of motion:

v^2=u^2+2a.s

where:

a= acceleration of the bullet

0^2=270^2+2a\times 0.25

a=145800\ m.s^{-2}

<u>Now the force of resistance offered by the target in stopping it:</u>

F=m.a

F=0.015\times145800

F=2187\ N

5 0
3 years ago
Mechanical energy that has been "lost" to friction has actually been
umka21 [38]
The answer to the question is true
5 0
4 years ago
Read 2 more answers
A wave oscillating on a string has a wavelength of 0.25 m and a frequency of 1.85 Hz. What is the speed of this wave?
Vinil7 [7]

Answer:

D

Explanation: Hope this helps Sorry if it dosent

4 0
3 years ago
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