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shepuryov [24]
3 years ago
14

Neil rides his long board to Physics class. He travels 8 m east the 4 m north. What distance did he cover? Please include the nu

mber and unit. What was the magnitude of his displacement? Please include the number and unit. What was the direction of his displacement? Please abbreviate (N, S, E, W, etc.)
Physics
1 answer:
givi [52]3 years ago
4 0

Answer:

heyy I hope this helps! The total distance covered is 12 because (8 + 4).

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What is the magnitude of the force a 25 charge exerts on a 3 mc charge 35cm away?
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F=k_e  \frac{q_1 q_2}{r^2}
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4 0
4 years ago
An ideal parallel plate capacitor with a cross-sectional area of 0.4 cm2 contains a dielectric with a dielectric constant of 4 a
Mrrafil [7]

Answer: 283.2\times 10^{-9}\ nC

Explanation:

Given

Cross-sectional area A=0.4\ cm^2

Dielectric constant k=4

Dielectric strength E=2\times 10^8\ V/m

Distance between capacitors d=5\ mm

Maximum charge that can be stored before dielectric breakdown is given by

\Rightarrow Q=CV\\\\\Rightarrow Q=\dfrac{k\epsilon_oA}{d}\cdot (Ed)\quad\quad [V=E\cdot d]\\\\\Rightarrow Q=k\epsilon_oAE\\\\\Rightarrow Q=4\times 8.85\times 10^{-12}\times 0.4\times 10^{-4}\times 2\times 10^8\\\\\Rightarrow Q=28.32\times 10^{-8}\\\\\Rightarrow Q=283.2\times 10^{-9}\ nC

4 0
3 years ago
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