Aboulder on the mythical planet mongo drops off a cliff and falls from rest 1000 m in 10.0 s. (a) what's the initial speed of the boulder?
(b) determine the acceleration due to gravity on mongo. ignore friction.

Are aliens real? justify you’re answer.

In a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refractive index of 1.40, and all the refraction occurs at the cornea, whose vertex is 2.60 cm from the retina. what should be the radius of curvature of the cornea such that the image of an object 40.0 cm from the cornea’s vertex is focused on the retina?

Newtons view of arrangement of the universe. don't copy from anywhere.