A través de un tubo horizontal fluye agua a razón de 100 ft3 /min. Un manómetro de presión, colocado en una sección transversal de 6 in de diámetro de este tubo, presenta la lectura
16 lb/in2
. ¿Cuál es la presión manométrica en psi en una sección del tubo donde el diámetro
es de 3 in?

The precision of a laboratory instrument is ± 0.05 g. the accepted value for your measurement is 7.92 g. which measurements are in the accepted range? check all that apply. 7.85 g 7.89 g 7.91 g 7.97 g 7.99 g

Apositive charge moves in the direction of an electric field. which of the following statements are true? check all that apply. check all that apply. 1.the potential energy associated with the charge decreases. 2. the electric field does positive work on the charge. 3. the electric field does negative work on the charge. 4. the potential energy associated with the charge increases. 5. the electric field does not do any work on the charge. 6. the amount of work done on the charge cannot be determined without additional information.

The electric potential a distance r from a small charge is proportional to what power of the distance from the charge? a. r^-1 b. r c. r^-2 d. r^2