3 years ago

How high it rises(maximum height)

Physics

1 answer:

ss7ja [257]3 years ago

8 0

Can you please tell what "it" is?

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The restoring force of the spring cancels the weight of the mass, so by Newton's second law

∑ F = F[spring] - mg = 0 ⇒ F[spring] ≈ 45.1 N

where m = 4.60 kg and g = 9.80 m/s². Then the spring constant is k such that by Hooke's law,

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where x = 0.0231 m. Then the spring constant is

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3 years ago

When a particle of charge q moves with a velocity v⃗ in a magnetic field B⃗ , the particle is acted upon by a force F⃗ exerted b

melomori [17]

Answer:

$3.8\cdot 10^{-16}N$

Explanation:

For a charged particle moving perpendicularly to a magnetic field, the magnitude of the force exerted on the particle is:

$F=qvB$

where

q is the magnitude of the charge of the particle

v is the velocity of the particle

B is the magnetic field strength

In this problem, we have

$q=e=1.6\cdot 10^{-19}$ is the charge of the electron

$v=6.0\cdot 10^6 m/s$ is the velocity

$B=4.0\cdot 10^{-4}T$ is the magnetic field

Substituting into the formula, we find the force:

$F=(1.6\cdot 10^{-19} C)(6.0\cdot 10^6 m/s)(4.0\cdot 10^{-4}T)=3.8\cdot 10^{-16}N$

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Answer:

The Answer is (B)

Explanation:

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