Una barra de aluminio de 0.5 metros cubico volumen, experimenta inicialmente una temperatura de 14°C, posteriormente calienta a 45°C, ¿cual sera su volumen final?¿que tanto ha incrementado?

Ogle–2013–blg–0723 is an exoplanet that is similar to earth in size and proximity to its star. this exoplanet has mass m=4.18×1024kg and radius r=5.66×106m. an astronaut whose weight on earth is w=735n lands on the planet. a. calculate m, the mass of the astronaut. b. calculate gp? , the acceleration due to gravity on the surface of ogle–2013–blg–0723. c. calculate wp? , the weight of the astronaut on the surface of ogle–2013–blg–0723. d. calculate v, the minimum velocity required to put an object into orbit above ogle–2013–blg–0723. e. calculate t, the time required to complete an orbit around ogle–2013–blg–0723.

Select the word from the list that best fits the definition classification of most stars on the h-r diagram

Aknife blade is a(n) a. lever b. screw c. wedge d. inclined plane