Deja caer un borrador, unas llaves y una hoja papel desde la atura de tu hombro. Observa como caen. ¿Cuánto tiempo tardan en caer? ∙ Problema.- Cuando se deja libre un cuerpo, se cae. ∙ Peguntas: 1.- ¿Porque caen unos cuerpos más rápidos que otro? 2.- ¿Por qué caen unos cuerpos en línea recta y otros parecen flotar?

a: 45.9 meters

b: 4.29 seconds

step-by-step explanation:

a: h(t)=1/2(-9.8)(3)^2+0(3)+90

h(t)=-4.9(3)^2+90

h(t)=-44.1+90

h(t)=45.9 meters

b: 0=1/2(-9.8)(t^2)+0t+90

0=-4.9t^2+90

-90=-4.9t^2

18.37=t^2

t=4.29 seconds

in the second question, the numbers aren't exact, but they're a close approximation.

answer: e.   sour taste

explanation: acids are those substances which dissociates in water to give ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. acids are sour in taste. example: hcl

bases are those substances which dissociates in water to give ions or accepts ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. bases are bitter in taste. bases are slippery in nature.

where are the choice options?