300 kg kütleli cismi 5 m yukarı doğru 15 saniyede kaldırabilen motorun gücü en az kaç kw olur ? g=10 m/s2 sürtünmeler ihmal ediliyor



Sagot :

300/5=60 60/15=4 60m.10m = 600m 15.2sn=30sn. 600m/30sn=20 kw olabilir.

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