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Likurg_2 [28]
2 years ago
13

An electron traveling at a velocity v enters a uniform magnetic field B. Initially, the velocity and field are perpendicular to

each other. If the electron goes a distance d, the amount of work done on it by the magnetic field is ________.
Physics
1 answer:
Brut [27]2 years ago
6 0

If the electron goes a distance d, the amount of work done on it by the magnetic field is zero.

Because magnetic force acts perpendicular to the direction of motion, it has no effect on any moving charge particle. As a result, speed won't change.

<h3>What is Magnetic field?</h3>
  • The magnetic influence on moving electric charges, electric currents, and magnetic materials is described by a magnetic field, which is a vector field.
  • A force perpendicular to the charge's own velocity and the magnetic field acts on it when the charge is travelling through a magnetic field.
  • A compass, a motor, the magnets that hold items in refrigerators, railroad tracks, and modern roller coasters are examples of devices that use magnetic force.
  • A magnetic field is created by all moving charges, and any charges that move across its regions are subject to a force.

Learn more about Magnetic field here:

brainly.com/question/14848188

#SPJ4

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Answer:

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Explanation:

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You adjust the temperature so that a sound wave travels more quickly through the air. You increase the temperature from 30°C to
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The correct answer to the question is : D) 352.6 m/s.

CALCULATION :

As per the question, the temperature is increased from 30 degree celsius to 36 degree celsius.

We are asked to calculate the velocity of sound at 36 degree celsius.

Velocity of sound is dependent on temperature. More is the temperature, more is velocity of sound.

The velocity at this temperature is calculated as -

                            V = 331  + 0.6T m/s

                               = 331 + 0.6 × 36 m/s

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Here, T denotes the temperature of the surrounding.

Hence, velocity of the sound will be 352.6 m/s.

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The crops will have the ability to be resistant to certain diseases

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