se tarda una persona 22 segundos para nadar enblinea recta desde el extremo sur de una piscina hasta el extremo norte de la piscina, una distancia de 28 metros. ¿cual es la velocidad del nadador?

If a simple machine reduces the strength of a force, what must be increased?

Balloon a has charge q, and identical mass balloon b has charge 10q. you hang them from threads near each other. choose all of the statements with which you agree. check all that apply. a. a and b exert the same magnitude forces on each other. b. the force that a exerts on b is 10 times the force that b exerts on a. c. the angle between the thread supporting a and the vertical is < the angle between the thread supporting b and the vertical. d. the force that a exerts on b is 1/10 the force that b exerts on a.

For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat