Una tubería horizontal tiene un diámetro de 10 cm, en un punto tiene un estrechamiento de 5 cm de diámetro. La velocidad del fluido (agua) en la primera sección es de 40 cm/s y la presión es de 1.2x10 4 Pa. Encuentra la velocidad y la presión en la segunda sección

When an object is heated it contracts. a. true b. false

Samir watches a 100-minute movie on his spaceship. maria's spaceshipe flies in the same direction as samir's spaceship but she observes his move to last 125 minutes and his spaceship to be 40 m long. how long does samir observe his own spaceship to be? according to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does marias voyage take according to samir?

Which is special about a dc circuit ? a. it has both series and parallel components b. it has only series or only parallel components c. charge moves in a single direction d. charge moves back and forth quickly