Ответ:
E=mv²/2
E=1*25/2
E=12,5
Ep+Ek=mgh+mv²/2
Ep+Ek=1*10*h+1*25/2
Ep+12,5=10h
Ep=10h-12,5
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Ответ:
E=mv²/2
E=1*25/2
E=12,5
Ep+Ek=mgh+mv²/2
Ep+Ek=1*10*h+1*25/2
Ep+12,5=10h
Ep=10h-12,5