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Lena [83]
3 years ago
14

Tần số của dao động duy trì

Physics
1 answer:
AfilCa [17]3 years ago
8 0
Amman oak smoke skins kaons
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A particle that has mass m and charge q enters a uniform magnetic field that has magnitude B and is directed along the x axis. T
Usimov [2.4K]

Answer:

a) The trajectory will be a helical path.

b) θ = 2*π rad

Explanation:

a) Since the initial velocity of the particle has a component parallel (x-component) to the magnetic  field B , the trajectory will be a helical path.

b) Given

t = 2*π*m/(q*B)

We can use the equation

θ = ω*Δt

where

θ is the angular displacement

ω is the angular speed, which is obtained as follows:

ω = q*B/m

then we have

θ = (q*B/m)*2*π*m/(q*B)

⇒  θ = 2*π rad

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3 years ago
35) Kinetic energy in flowing water drives
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Answer:

C) Turbines

Explanation:

C. because as the water flows, its kinetic energy is used to turn a turbine.

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2 years ago
Witch scientific tool helps to make distant objects nearer and larger?
vladimir2022 [97]

Answer:

magnifying glass

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makes objects bigger and smaller / used in science

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2 years ago
Can someone help me with this? (The answer marked in red text is a incorrect answer)
Tju [1.3M]

Answer:

the answer is A

Explanation:

because I just know

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