m=1000 кг s=20 м t=2 c P=?
===
P=A/t
A=m*g*s
P=m*g*s/t=1000*10*20/2=100000 Вт (100 кВт)
========================================
P=A/t=mgS/t
P=1 000*10*20/2=100 000 (Вт)
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
m=1000 кг s=20 м t=2 c P=?
===
P=A/t
A=m*g*s
P=m*g*s/t=1000*10*20/2=100000 Вт (100 кВт)
========================================
P=A/t=mgS/t
P=1 000*10*20/2=100 000 (Вт)