Question

дано h=10 m=2кг U=2мс E-?​

Answer 1

Е=Ек+Еп

Ек:

$e (k)= frac{mv^{2} }{2} = frac{2 times {2}^{2} }{2} = frac{2 times 4}{2} = frac{8}{2} = 4$

Еп:

$e(p) = mgh = 2 times 10 times 10 = 2 times 100 = 200$

Е=4+200=204