Um elétron é lançado entre duas placas eletrizadas como mostra a figura. sejam v= 6x10^6 m/s, ângulo 45°, e= 2x10^3 n/c, d= 3 cm, l=12cm, m=10^-30 kg, e=1,6x10-19 c. despreze a ação gravitacional.
a) o eletron atingirá a placa negativa?
b) determinar a posicao em que o eletron atinge uma das placas.
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Um elétron é lançado entre duas placas eletrizadas como mostra a figura. sejam v= 6x10^6 m/s, ângulo...
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