Un alambre de acero templado de 2.5 mm de diametro soporta en su extremo inferior un peso de 220 n. si el limite elastico del acero es de 5x10 pa, calcula:
a) el esfuerzo de tension que soporta

The dot diagram represents the motion of the motorcycle as it moves from left to right

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules

Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air