To find an expression for the time it takes water to drain out of this system, you can use bernoulli’s law in tandem with the conservation of mass and some basic equations of kinematics. for an incompressible and non-viscous fluid, bernoulli’s law is often expressed as:

When traveling in the spanish-speaking countries, it's very important to be able to understand directions in spanish, so that you can find out how to get from place to place. but what happens if you need to give a friend directions? would you be prepared? in this project you'll practice giving directions to places in panama city.

Which activity is the girl in the picture doing? a. la gimnasia b. levantar pesas c. los deportes de pista d. la carrera a campo traviesa

Which words fit best in the blanks below? —mi primo pepe es cartero. —¿pepe el correo los domingos? —no, los domingos pepe y los padres de pepe la tele en casa. a. entrega; miramos b. entregas; miran c. entrego; miramos d. entrega; miran