Well people i'm looking electric Motorcycles. And the same seller it's selling a 72V50Ah battery and a 72V60Ah battery, both IN THE SAME WEIGHT, every battery in the shop occurs the same. So or we have a factory mistake, scam, witchery .....or...graphene in the lithium. I have been reading that...
I committed a mistake, yeah i used the K as a constant and for Kilos, They are different. I just tried to say if you transform from Mpa to N/m^2 you are going to get a K*(N/m^2) with K as real number.
I didn't know that, a hollow tube resists more pressure than one solid of the same weight...
Well people i want to go from my steel/aluminum frame to the best material in the market. I have seen that exist a relation between Mpa(Yield strenght-elastic limit)/density but i get a very weird relation in a strange unit (m^2)/(s^2) which is the expansion of a growing area in the time, but...