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marysya [2.9K]
3 years ago
12

Which scenario best describes motion? a toy train in position 4 on a number line a race track that is 100 meters long a ball rol

ling from point A to point B a student living 150 miles from Chicago
Physics
2 answers:
Alexxx [7]3 years ago
8 0

ball rolling from point A to point B

leva [86]3 years ago
6 0
The toy train, the race track, and the student aren't moving.

The rolling ball is, so it's an example of motion.

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shows two parallel nonconducting rings with their central axes along a common line. Ring 1 has uniform charge q1 and radius R; r
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Answer:

\dfrac{q_1}{q_2}=2\left(\dfrac{2}{5}\right )^{3/2}

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Given that

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So the total electric field at point P is given as follows

Given that distance from ring 1 is R

\dfrac{1}{4\pi\epsilon _o}\dfrac{q_1R}{(R^2+R^2)^{3/2}}-\dfrac{1}{4\pi\epsilon _o}\dfrac{q_2(d-R)}{(R^2+(d-R)^2)^{3/2}}=0

\dfrac{1}{4\pi\epsilon _o}\dfrac{q_1R}{(R^2+R^2)^{3/2}}-\dfrac{1}{4\pi\epsilon _o}\dfrac{q_2(3R-R)}{(R^2+4R^2)^{3/2}}=0

\dfrac{q_1R}{(2R^2)^{3/2}}-\dfrac{q_2(2R)}{(5R^2)^{3/2}}=0

\dfrac{q_1}{q_2}=2\left(\dfrac{2}{5}\right )^{3/2}

8 0
3 years ago
Read 2 more answers
What unit is used to measure energy when calculating specific heat capacity? Give the abbreviation, not the full name.
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