Una viga metálica uniforme de longitud pesa 200n y sostiene un objeto de 450n calcule la magnitud de la fuerzas que ejercen sobre la viga las columnas de apoyo en los extremos (respuestas: 438n; 212n) (las esquinas son los soportes, el 0 el objeto y las 2 rayas el centro)

i l/2 ll/4il/4 i
i 0

the answer is ampere

the ampere is used to measure electricity. an ampere is a unit of electric current equal. a unit of measure for the flow of current in a circuit. one ampere is the amount of current flow provided when one volt of electrical pressure is applied against one ohm of resistance.

one "light year" is the distance that light travels, through vacuum, in one julian year.   that's 365.25 days, of 24 hours each.