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Amholloway13
21.08.2020 •
Physics
A charged particle has mass 1.20kg and charge negative 0.002C. It is moving. There is a uniform magnetic field of strength 0.25T pointing in the positive z direction present everywhere in the room. The particle experiences a magnetic force of 0.015N in the positive x direction. What is the velocity of the particle
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Ответ:
The velocity of the particle is 30 m/s.
Explanation:
The velocity can be found using Lorentz force:
Where:
q: is the charge of the particle = 0.002 C
v: is the velocity of the particle
B: is the magnetic field = 0.25 T
F: is the magnetic force = 0.015 N
Since the magnetic field and the particle's velocity are orthogonal, the cross product is equal to the product of the absolutes values of v and B.
We have:
Therefore, the velocity of the particle is 30 m/s.
I hope it helps you!
Ответ: