Help with power calculations and energy calculations.

Question

anonymous · Answer

attachment

hitaro9 · Answer

This seems more like a physics problem. I believe there is a science section on this site dedicated to these types of problems.

hitaro9 · Answer

They'd probably be more familar with how to solve energy/ power problems.

anonymous · Answer

its still manth

hitaro9 · Answer

Yeah, but it involves a lot of knowledge of equations and application of said equations.

anonymous · Answer

please just help me

anonymous · Answer

you are smart

anonymous · Answer

What is the potential energy increase (in Joules) when a 5 kg weight is lifted 1.5 meters off the floor?

loser66 · Answer

PE = mgh = 5 *9.8*1.5 = 73.5 J

anonymous · Answer

don't answer

anonymous · Answer

he goes on random posts and says there stupid

loser66 · Answer

I saw it . let him play whatever he wants until he feels bored with it, he stops

anonymous · Answer

@Loser66 what is the answer to the last two questions?

anonymous · Answer

@jackies did u get the answers?

anonymous · Answer

@Loser66 do you know how to do the other ones?

loser66 · Answer

for the second one, P= W/t = F*d/t = mgd/t = 73.5/900 = 0.081 Watts

loser66 · Answer

I don't know the last one. Sorry

anonymous · Answer

did anyone get the answers of 1f,2d,2e,3b,3c ?