To show that displacement current is necessary to make Ampère's law consistent for a charging capacitor Ampère's law relates the
1 answer:
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Okay, haven't done physics in years, let's see if I remember this.
So Coulomb's Law states that
so if we double the charge on 
and double the distance to 
we plug these into the equation to find
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So we see the new force is exactly 1/2 of the old force so your answer should be
if I can remember my physics correctly.
So Coulomb's Law states that
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So we see the new force is exactly 1/2 of the old force so your answer should be
Answer:
v₂ = v/1.5= 0.667 v
Explanation:
For this exercise we will use the conservation of the moment, for this we will define a system formed by the two students and the cars, for this isolated system the forces during the contact are internal, therefore the moment conserves.
Initial moment before pushing
p₀ = 0
Final moment after they have been pushed
= m₁ v₁ + m₂ v₂
p₀ =
0 = m₁ v₁ + m₂ v₂
m₁ v₁ = - m₂ v₂
Let's replace
M (-v) = -1.5M v₂
v₂ = v / 1.5
v₂ = 0.667 v