Por una manguera horizontal de 4.50 cm de diámetro fluye agua con una rapidez de 0.510 metros por segundo y sale por una boquilla de 0.650 cm de diámetro. ¿Cuál debe de ser la presión absoluta del agua de la manguera, si la presión en la boquilla de salida es igual a la presión atmosférica?

The charge on a charged sphere is: a)concentrated at its centerb)distributed uniformly throughout its volumec)clustered on its centerd)distributed uniformly over its surface

Aprisoner is forced to go into one of three rooms, but he can choose which room. the first room is ablaze with fire. the second one is rigged with explosives that will go off as soon as he enters. the third contains a pair of lions who haven't eaten in years. which room should he choose to survive?

The ability to make things happen is also called a. heat b. force c. matter d. energy