El suero fisiológico oral es una disolución salina utilizada con fines medicinales. Se puede preparar disolviendo 2 g de cloruro de sodio y 10 g de glucosa en 500 g de agua. Indica los solutos y el disolvente.
Calcula el porcentaje en masa de cada soluto.
En 100 g de suero, ¿qué cantidad de cloruro de sodio habrá?
¿Qué cantidad de glucosa contendrá 5 g de suero?

An object has a weight of 500 on earth what is the mass of this object

Acar traveling at 22 m/s starts to decelerate steadily. it comes to a complete stop in 15 seconds. what is it’s acceleration?

Abird flies directly overhead from where you stand at an altitude of 300.0 m and at a speed horizontal to the ground of 20.0 m/s. the bird has a mass of 2.0 kg. the radius vector to the bird makes an angle \thetaθ with respect to the ground. the radius vector to the bird and its momentum vector lie in the xyxy-plane. what is the bird’s angular momentum about the point where you are standing?