el area transversal del pistón de una bomba de agua es de 20 cm cuadrados, ¿que fuerza se debe aplicar al pistón para que el agua suba por un tubo a una altura de 12.0?

When the velocity of an object is doubled, by what factor is its momentum changed? by what factor is its kinetic energy changed? a) the momentum is zero. b) the momentum is not zero. c) difficult to say.

Asmall 21 kilogram canoe is floating downriver at a speed of 1 m/s. what is the canoe's kinetic energy?

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects