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danilarogalyov
@danilarogalyov
July 2022
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2 пожалуйста решите @!!!
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tana20101997
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1) m*V^2/R=q*B*V
V=q*B*R/m
Ek=m*V^2/2=m*q^2*B^2*R^2/2*m^2=q^2*B^2*R^2/2*m
Ek1/Ek2=R1^2/R2^2=1/2^2=1/4
2) E=-dФ/dt=-(Ф2-Ф1)/dt=-(0,4-0,5)/0,01=10 B
1 votes
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danilarogalyov
мне 1 уже нужно !))
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Answers & Comments
Verified answer
1) m*V^2/R=q*B*VV=q*B*R/m
Ek=m*V^2/2=m*q^2*B^2*R^2/2*m^2=q^2*B^2*R^2/2*m
Ek1/Ek2=R1^2/R2^2=1/2^2=1/4
2) E=-dФ/dt=-(Ф2-Ф1)/dt=-(0,4-0,5)/0,01=10 B