Al salir de su apartamento Juan olvida su billetera y su celular, y le timbra a su mama para que se los lance por la ventana que se encuentra a 15 m de altura. La mama deja caer primero el celular y 1 segundo despues lanza la billetera. Si los dos caen al mimso tiempo en las manos de juan que estqn a 1.5m del suelo ¿con que velovidad lanzo su mama la billetera ?

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.

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.

Ways that industry and agriculture use physical properties to separate substances