1. Dos muchachos tiran de los extremos de una cuerda atada alrededor de una caja con fuerzas de 15 N y 30. Dibuja un esquema en las fuerzas y determina la fuerza resultante en los siguientes casos: a) las dos fuerzas tienen la misma dirección y sentido
b) las dos fuerzas so perpendiculares

2. Calcula el modulo del momento de un par de fuerzas de intensidad 20N aplicando sobre un volante de 50cmde diámetro.

(por favor ayud, lo nesesito para hoy )​

For their summer holiday, jane and her family are visiting places surrounding the mediterranean sea. which type of biome is jane and her family visiting? a. rainforest b. shrubland c. tundra d. coniferous forest

What is the difference between the conducting zone and the respiratory zone of the respiratory system? the conducting zone is a series of cavities and tubes that move air to the respiratory zone where gases exchange with the bloodstream. the conducting zone exchanges gases between the lungs and the alveoli and the respiratory zone is a series of cavities and tubes that move air to the conducting zone. the conducting zone moves oxygen into the cells and the respiratory zone takes carbon dioxide away from the cells. the conducting zone moves oxygen into the bloodstream and the respiratory zone takes carbon dioxide away from the bloodstream.

Producing disposable grocery bags consumes resources. recycling disposable bags is a solution that can recover some of the resources used to make new bags. which of the following behaviors could further refine the solution? a. disposing of bags by burning them b. reusing bags whenever possible c. using bags at once so that they do not break d. using only nonrenewable materials to make new bags subject is environmental science for apex users