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AlexFokin [52]
3 years ago
11

PLEASE HELP ME WITH THIS

Physics
1 answer:
jonny [76]3 years ago
7 0

Answer:

A,B,C,D the answer is { }

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An airplane in the earth’s magnetic field can develop a voltage between its wingtips.
Svetradugi [14.3K]

Answer:

emf=0.125\ V

According to the Fleming's Left left hand rule we have higher potential on the right edge of the wing.

Explanation:

Given:

  • velocity of plane, v=250\ m.s^{-1}
  • magnetic field, B=5\times 10^{-5}\ T
  • angle between velocity and magnetic field, \theta=30^{\circ}
  • span of the wing, l=20\ m

We know:

emf=B.l.v\ sin\theta

emf=5\times 10^{-5}\times 20\times 250\times sin30^{\circ}

emf=0.125\ V

According to the Fleming's Left left hand rule we have higher potential on the right edge of the wing.

7 0
3 years ago
When part of the rock record is destroyed, the erosional gap that forms is
zaharov [31]

Answer:

D superposition

Explanation:

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During a rainstorm, water seeps into the ground. This process is called _____.
Andrew [12]
During a rainstorm, water seeps into the ground. This process is called INFILTRATION.

Infiltration is a part of the six process of the water cycle. It is the second part of the cycle.

The 6 processes are CONDENSATION, INFILTRATION, RUNOFF, EVAPORATION, PRECIPITATION, TRANSPIRATION.

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Which device converts kinetic energy into electrical energy?
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electric generator

Explanation:

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A Physics question regarding circuits and electricity.
Rom4ik [11]
Assuming all three bulbs are connected properly with their conductivity creating a circuit, if one is unscrewed all bulbs would shut off causing zero emission of light to be displaced. Meaning answer D would be the closest to the right response.

Hope this helps! :)
8 0
4 years ago
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