Quais seriam os testes psicomotores adequados para crianças em fase de alfabetização?

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration

Why does lightning travel from clouds to the ground?

You throw a baseball directly upward at time =0 at an initial speed of 14.9 m/s. what is the maximum height the ball reaches above where it leaves your hand? ignore air resistance and take =9.80 m/s2.