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Anna71 [15]
3 years ago
6

Which of the following are true statements about the electric field? a. A moving charge produces a magnet anomaly. b. The electr

ic field points towards a negative charge and away from a positive charge. c. The direction of the electric field is the direction of acceleration of a positive test charge. d. The electric field is a charge-specific force field independent of any test charge. e. Equipotential lines imply magnitude and direction of the electric field. f. The electric field is a vector field that is found by taking the gradient of the negative potential. g. The electric field inside a spherical conducting shell in 3D is zero. h. If the electric field inside a conductor is nonzero, charges must not be moving; that is, there is a zero current. i. No electric field exists between the plates of a charged capacitor. j. The electric lines of force indicate the vector force experienced by a positive test charge released at a particular point.
Physics
1 answer:
mars1129 [50]3 years ago
4 0

Answer:

a,b,c,d,,f, g, j

Explanation:

e) equipotential lines are lines connecting points of equal potential

h) electric field inside the conductor is non-zero even when there is net movement of charge or non-zero current.

i) capacitors' plates are charged and an electric field exists between the plates.

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Explanation:

Given;

Mass of the system is, m=52.3\ kg

Displacement of the bike is, d=1.6\ km=1.6\times 1000=1600\ m

Time taken is, t=17.4\ min=17.4\times 60=1044\ s

Let the constant velocity be v.

For constant velocity, magnitude of velocity is given as distance by time.

Therefore, v=\frac{d}{t}=\frac{1600}{1044}=1.533\ m/s

Now, kinetic energy of a body is given as:

KE=\frac{1}{2}mv^2

Here, m=52.3\ kg,\ v=1.533\ m/s

\therefore KE=\frac{1}{2}\times 52.3\times (1.533)^2\\KE=0.5\times 52.3\times 2.35\\KE=61.45\ J

Therefore, Shawn's kinetic energy is 61.45 J.

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frosja888 [35]
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Explanation:

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