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weqwewe [10]
2 years ago
12

Which is NOT an effect of friction?

Physics
1 answer:
Bezzdna [24]2 years ago
6 0

Answer:

The answer is add mass.

Explanation:

Friction does NOT add mass to an object. It does generate heat, slow objects, and wear down surfaces.

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What is the velocity of a beam of electrons that goes undeflected when passing through perpendicular electric and magnetic field
goldenfox [79]
F = qE + qV × B
where force F, electric field E, velocity V, and magnetic field B are vectors and the × operator is the vector cross product. If the electron remains undeflected, then F = 0 and E = -V × B
which means that |V| = |E| / |B| and the vectors must have the proper geometrical relationship. I therefore get
|V| = 8.8e3 / 3.7e-3
= 2.4e6 m/sec
Acceleration a = V²/r, where r is the radius of curvature.
a = F/m, where m is the mass of an electron,
so qVB/m = V²/r.
Solving for r yields
r = mV/qB
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2 years ago
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5 0
3 years ago
A 5.0-kilogram sphere, starting from rest, falls freely 22 meters in 3.0 seconds near the surface of a planet. Compared to the a
Whitepunk [10]

Answer:

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Energy from the Sun that bounces off the surface of the Earth and returns to space is called...
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3 years ago
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ludmilkaskok [199]

Answer:

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Explanation:

7 0
2 years ago
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