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kirza4 [7]
3 years ago
6

PLEASE HELP ASAP!!!

Physics
1 answer:
I am Lyosha [343]3 years ago
6 0

Answer:

B - Velocity

Explanation:

Velocity definition: “The speed of something in a given direction.”

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Answer:

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8 0
3 years ago
A 5.6 MeV (kinetic energy) proton enters a 0.39 T field, in a plane perpendicular to the field. What is the radius of its path?
Kisachek [45]

Answer:

the radius of the protons path is r = 0.85 m.

Explanation:

the force due to magnetic fields lead to the cetripetal force, such that:

F = q×v×B = m×(v^2)/r

         q×B = m×v/r

then:

r = m×v/q×B

r = p/q×B

then, the kinetic energy of the proton:

K = 1/2×m×v^2 = p^2/(2×m)

q×B = \sqrt{2×m×K}/r

    r =  \sqrt{2×m×K}/(q×B)

      =  \sqrt{2×(1.67×10^-27)×(5.3×1.60×10^-13)}/(1.60×10^-19×0.39)

      = 0.85 m  

7 0
4 years ago
a sphere made of steel is put in water and,surprisingly, it floats. develop a possible explanation for this observation
sergij07 [2.7K]
Well,

One possibility is that there is much salt in the water, enough so that the sphere of steel floats.
7 0
3 years ago
Brainliest for correct answer :)
Novosadov [1.4K]

Answer:

B

Explanation:

The answer is b that is the final speed - initial speed divided by the time taken

Please mark as brainliest

6 0
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