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Автор - Papapapp

решите пожалуйста..​

Ответ

Автор - madlyangel

Ответ:

в 2 раза

Объяснение:

Ep=mgh

Ep1:Ep2=m1gh:m2gh=m1:m2

Ep1/Ep2=0.15/0.3=0.5

Ep2=2Ep1

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