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Pachacha [2.7K]
3 years ago
10

True or false. A convection current is the circular motion of a fluid caused by the rising of heated fluid

Physics
1 answer:
xz_007 [3.2K]3 years ago
7 0
True that is what a convection current is
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Does the earth behave like a magnet how do you prove it
Arlecino [84]

Take any item that's magnetized.  With a sharpie or a drop of nail polish, make a small mark on one end of the item.  Then, hang it up by a thread, in such a way that its two ends are at the same height off the floor, and it's free to turn on the thread.  

After it settles down and stops turning and wiggling, it'll come to rest with the marked end pointing in the same direction EVERY TIME you try this.  

The only thing that makes a magnet point in the same direction every time is another magnet.

5 0
4 years ago
List two ways in which the biosphere would be impacted if there were no hydrosphere. Use complete sentences.
Kazeer [188]

Explanation:

The biosphere is the portion of the earth where all living organisms can be found.

The hydrosphere refers to the water on the earth crust.

  • If there were no hydrosphere, life would not have evolved. Liquid water is a major component of all life. It is essential for metabolic processes in both plant and animals and a host of other activities.
  • The hydrosphere provides water that is a major component of the soil. Plants grow on the soil. Soil water is one of the most important component of the soil.
  • The hydrosphere made the earth a unique planet where life can be domiciled.

Learn more:

Biodiversity brainly.com/question/10723602

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5 0
3 years ago
How do I find the release angle of an object​
SpyIntel [72]

Answer:

This is what I know, The angle of releases changes the relationship between the horizontal and vertical components of projectile. The idea angle of release  is 45 degrees, assuming there is no air resistance and take off and landing points are the same height.

Explanation:

7 0
3 years ago
A 1 uF parallel-plate capacitor is charged to 12 V and then disconnected from the voltage supply. The plate separation distance
nlexa [21]

Answer:

22

Explanation:

6 0
3 years ago
There are two particles with charges +Q and +q. The electric force applied to one of the charges is 10 N. Now, +Q is replaced by
KIM [24]

Answer:

F = 10 N

Explanation:

  • Assuming that we can treat to both particles as point charges, the magnitude of the force that one charge exerts on the other, must obey Coulomb's Law.
  • The expression for this force, applied  to the charges +Q and +q, separated by a distance d, is as follows:

       F_{0} = \frac{k*q*Q}{d^{2}}

  • If we replace +Q by +4Q, and d by 2*d, the new expression for the magnitude of the force is as follows:

       F_{1} = \frac{k*q*4*Q}{(2*d)^{2} } = \frac{4}{4} *\frac{k*q*Q}{d^{2} } = F_{0} = 10 N

  • As it can be seen, the force will be as same as before making changes, so F= 10 N.
6 0
3 years ago
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