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scoray [572]
2 years ago
10

An electron enters a region of uniform perpendicular en and bn fields. it is observed that thevelocity nv of the electron is una

ffected. a possible explanation is:
Physics
1 answer:
konstantin123 [22]2 years ago
5 0
<span>v is perpendicular to both E and B and has a magnitude E/B</span>
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ankoles [38]
I'm not sure if a figure or some choices go along with this, but the closer to the sea floor the diver is, the lower the potential energy
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3 years ago
What is the period of a soundwave whose wavelength is 20.0 m? Use values from the book and show ALL of your work.
Liono4ka [1.6K]
<h3><u>Answer;</u></h3>

Period = 1/17 seconds

<h3><u>Explanation;</u></h3>
  • Wavelength is related to period by the expression:

<em>speed = wavelength / period </em>

  • If we are given the speed, then we can easily calculate the period at the wavelength of 20 m.

<em>Given the speed of sound wave as 340 m/s </em>

<em>Period = Wavelength/ speed</em>

<em>            = 20 m/340 m/s</em>

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2 years ago
Constant speed is the same thing as average speed
larisa86 [58]
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2 years ago
1. A diver dives off of a raft - what happens to the diver? The raft? How does this relate to Newton's Third Law?  Action Force:
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The Third Law of Motion states that "For every action, there is an equal and opposite reaction." Now when the diver dives off the raft, the raft is also pushing the same amount of force as the diver did as he dives off. The diver will then move forward and the raft on the other hand will move backwards.

The movement of the raft shows the opposite force. It will move backwards depending on how strong the diver will push off on the raft. And the amount of force he pushes on it, the raft will exert the same force so the stronger the force of the diver, the farther he will go because the raft will push him in that same direction as it goes backwards. 
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A uniform solid cylindrical log begins rolling without slipping down a ramp that rises 28.0° above the horizontal. After it has
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Answer:

3.07 m/s

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