If a train hits a person with half a million pounds of force, does the person exert the same force back on the train during impact? If so, where is the evidence?
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Ответ:
V (B) = k q2/r + k Q / sqrt[r^2 + r^2] = 0 given
q2/r + Q / r root2 = 0
q2 = - Q / root2
q2/Q = - 1/root2
q2/Q = - root2 /2 = - 0.707
q2 equals negative 0.707 times Q