A marble is thrown straight downward off of a bridge. The marble takes 3 seconds to reach a velocity of 55 m/s. What was the initial velocity the marble was thrown

Objects a and b are visible in the night sky. six months later they are still visible, but object b shows less parallax than object a. which object is closer? a. a b. b c. you would need to wait another six months in order to figure this out. d. you would need to know the objects' angular diameters in order to figure this out.