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

Acatapult is tested by roman legionnaires. they tabulate the results in a papyrus and 2000 years later the archaeological team reads (distances translated into modern units): range = 0.4 km; angle of launch = π/5 rad; landing height = launch height. what is the initial velocity of launch of the boulders if air resistance is negligible?

Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?

Juan created a chart to him study for a test. which headings best complete the chart? x: transparent objects y: opaque objects x: opaque objects y: transparent objects x: high frequency waves y: low frequency waves x: low frequency waves y: high frequency waves