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Elan Coil [88]
3 years ago
14

Which of the following is the primary medium for beach erosion? ice gravity wind water

Physics
2 answers:
Fiesta28 [93]3 years ago
3 0
I believe it is water that is the medium for beach erosion
siniylev [52]3 years ago
3 0
I think it would be water because the waves (tides) are repeatedly bringing sand to the shore and dragging more sand back into the ocean. So water seems the most logical.
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A 170.4-turn circular loop of radius 0.08 meters with a magnetic field B passing through the area bounded by the loop at right a
jolli1 [7]

Answer:

The speed of the magnetic field rising is   \frac{\Delta B}{\Delta t}  =0.0147 \ T/s

Explanation:

Mathematically Induced Emf is as follows

             e = - \frac{\Delta B}{\Delta t} *N * Area

The objective of this solution is to obtain speed in Tesla per second which the same as \frac{\Delta B}{\Delta t} since the unit of magnetic field B is Tesla and Time is seconds

             So making  \frac{\Delta B}{\Delta t}  the subject

                          \frac{\Delta B}{\Delta t }  =\frac{Emf}{N*Area}

The \ Area = \pi r^2

               = 3.142 * (0.08)^2

              =0.020m

N is given as 170.4 turns

         Therefore  \  \frac{\Delta B}{\Delta t} = \frac{0.050}{170.4*0.02}

                                  =0.0147 \ T/s

8 0
2 years ago
Displacement vectors of 10 m west and 14 m west make a resultant vector that is _____.
Anastaziya [24]

For this case we can write each one of the vectors in the following way:

v1 = 10 i\\v2 = 14 i

This means that the x-axis is defined as positive towards the west.

Then, the resulting vector is:

v1 + v2 = 10i + 14i\\v1 + v2 = 24 i

Answer:

Displacement vectors of 10 m west and 14 m west make a resultant vector that is 24 m west

6 0
3 years ago
Read 2 more answers
A
densk [106]
The elevator is going up
5 0
2 years ago
Which of the following are true about S waves
shusha [124]

Answer:

3. they can travel through solids

4. they move rock at right angles to the direction of wave travel

Explanation:

  • S waves are called transverse waves they have the ability to move past the solids. They cannot move through the liquids, these waves are perpendicular to the direction of travel.  
  • They are also called longitudinal waves, the ad is second to record on the seismograph as they slowly pass through the rocks. They have a speed of 3.4 to 7.2 km as per the boundary.
6 0
3 years ago
What would decrease the resistance of wires carrying an electric current
Murljashka [212]
I believe the answer is A. shorter wires


3 0
2 years ago
Read 2 more answers
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