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tatyana61 [14]
3 years ago
9

After reading the scenario, write which of the 3 ways is demonstrated and explain

Physics
1 answer:
Natasha2012 [34]3 years ago
5 0

Answer:

fff

Explanation:

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An electron is projected vertically upward with a speed of 1.70 ✕ 106 m/s into a uniform magnetic field of 0.320 t that is direc
Serggg [28]
The electron's path in the magnetic field is a straight line when viewed from above.

In fact, the electron initially moves upward, while the magnetic field is directed horizontally. The electron experiences a force due to the magnetic field (the Lorentz force), whose direction is given by the right-hand rule:
- index finger --> initial direction of the electron (upward)
- middle finger --> direction of the magnetic field (horizontally, away from the observer)
- opposite direction to the thumb* --> direction of the force (horizontally, but perpendicular to the magnetic field, to the right)

This means that the Lorentz force makes the electron moving perpendicular to the magnetic field in the horizontal plane, and since the direction of the field is not changing, this force does not change its direction, so the electron moves in the same direction of the force in the horizontal plane (to the right), therefore following a straight line.

* the direction should be reversed because the charge is negative.
7 0
3 years ago
A pendulum that has a period of 2.67000 s and that is located where the acceleration due to gravity is 9.77 m/s2 is moved to a l
zalisa [80]

Answer:

Explanation:

Expression for time period of pendulum is given as follows

T=2\pi\sqrt{\frac{l}{g} }

where l is length of pendulum and g is acceleration due to gravity .

Putting the given values for first place

2.67=2\pi\sqrt{\frac{l}{9.77} }

Putting the values for second place

T=2\pi\sqrt{\frac{l}{9.81} }

Dividing these two equation

\frac{T}{2.67} =\sqrt{\frac{9.77}{9.81} }

T = 2.66455 s.

5 0
3 years ago
The angle between an incident<br>ray and the mirror is 40°.<br>1) What is the angle of reflection?​
Vlad1618 [11]

Answer:

1) 50°

Explanation:

We need to find the angle of incidence first before finding the angle of reflection.

Angle of incidence = 90° - 40°

                                = 50°

Since the angle of incidence is the same as the angle of reflection, the angle of reflection here would be 50°.

5 0
3 years ago
which of the following instruments is used to measure air pressure? a. thermometer b. barometer c. anemometer d. hygrometer
Kryger [21]
The correct answer is B. barometer

Thermometer is used to measure temperature, anemometer is used to measure wind speed, while a hygrometer is used to measure humidity.
8 0
3 years ago
Read 2 more answers
If someone said to describe weather what would you tell them?<br> Please help.
goldfiish [28.3K]
The state of the atmosphere at a given place and time as regards to heat, dryness sunshine, wind, rain, etc.
6 0
3 years ago
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