Question

Calculate the increase in U when body is raised from 4 m to 14m up from its initial point. Mass of the body is 500g.

Answer 1

$\huge\mathbb{H}\mathfrak\red{appy~}\mathfrak\purple{Diwali!}$

• [tex]\bold{potential~energy~U = mgh }[/tex]

$\longrightarrow$[tex]\sf\red{U1 = 0.5×9.81×4 = 19.62 J }[/tex]

$\longrightarrow$[tex]\sf\purple{U2 = 0.5×9.81×14 = 68.67 J }[/tex]

$\longrightarrow$$\sf\pink{∆U = U2-U1 = 49.05 J}$