un barco emite un sonido que es percibido por otro barco despues de 12 s a que distancia estaran los dos barco si se encuentran en el polo norte y el agua como la temperatura estan a 0 grados

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages

This is one type of line graph in which the independent variable is time plotted on the x axis and the dependent variable, also numerical, is plotted on the y axis.

The man of mass m1 and the woman of mass m2 are standing on opposite ends of the platform of mass m0 which moves with negligible friction and is initially at rest with s = 0. the man and woman begin to approach each other. derive an expression for the displacement s of the platform when the two meet in terms of the displacement x1 of the man relative to the platform.