Un tubo en U contiene mercurio, sí se echa 13.6 centímetros de agua en la rama derecha, calcula la altura que sube el mercurio a la izquierda, a partir del nivel inicial.

Amplitude is a measure of a waves a; speed b; distance c; energy d; frequency

Two friends are having a conversation. anna says a satellite in orbit is in freefall because the satellite keeps falling toward earth. tom says a satellite in orbit is not in freefall because the acceleration due to gravity is not 9.80 m/2 . who do you agree with and why?

The uniform slender bar rests on a smooth horizon- tal surface when a force f is applied normal to the bar at point a. point a is observed to have an initial acceleration aa of 20 m/s2, and the bar has a corre- sponding angular acceleration of 18 rad /s2. deter- mine the distance b.