Juana está sentada en un micro detenido. Lanza una moneda verticalmente hacia arriba, y no la ataja. Ésta cae a sus pies.
Minutos después, mientras el micro se mueve con velocidad
constante, vuelve a lanzar la moneda, y otra vez no la ataja. La
moneda caerá:
a. sus pies b. más adelante c. más atrás. Y POR QUÉ

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.

In science and physics what is the standard unit of measure for speed?

If anyone who can me with this hw? i would really appreciate it