Un cilindro de aluminio con una masa de 120 Kg, cuenta con una densidad promedio a una temperatura de 189 °C, ¿Cuál será el volumen final del cilindro si se incremental su temperatura hasta 247°C? α =2.4 x 10^-5 Densidad = 2 700 kg/m³

Aray of light traveling parallel to the principal axis of a concave mirror will be reflected through the mirror's

Apebble is thrown into a calm lake, ripples are formed from the center and move outward. the water particles in the lake travel in a circular pattern that moves up and down on the surface of a lake, and the energy travels a) diagonally. b) downward. c) horizontally. d) upward.

When you jump from an elevated position you usually bend your knees upon reaching the ground. by doing this, you make the time of the impact about 10 times as great as for a stiff-legged landing. in this way the average force your body experiences is a) less than 1/10 as great. b) more than 1/10 as great. c) about 1/10 as great.d) about 10 times as great.