m=500 кг h=4 м v=2 м/с A=?
===
A=m*g*h+m*v²/2=m*(g*h+v²/2)=500*(10*4+2²/2)=21000 Дж (21 кДж)
=============================
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
m=500 кг h=4 м v=2 м/с A=?
===
A=m*g*h+m*v²/2=m*(g*h+v²/2)=500*(10*4+2²/2)=21000 Дж (21 кДж)
=============================