Metals are goods conductors of electricity because the electrons in the electrons sea are free to flow and carry electric currents. Metals are ductile and malleable because local bonds can be easily broken and reformed.
Answer:
40 m/s due north
Explanation:
Consider that the south direction a negative Y axis and north direction as + Y axis
v1 = 20 m/s South = 20 (-j) m/s
v2 = 20 m/s North = 20 j m/s
Change in velocity = v2 - v1 = 20 j - 20 (-j) = 40 j m/s
So, change in velocity is 40 m/s due north.
Answer:
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Explanation:
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