Aperson walks 150 meters due east and then walks 30 meters due west. the entire trip takes the person 10 minutes. determine the magnitude and direction of the person's total displacement.

Aperson standing in a canoe exerts a force of 700 n to throw an anchor over the side. find the acceleration of the canoe if the total mass of the canoe and the person is 100 kg?

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?

An element becomes a positively charged ion when itloses protons.loses electrons.gains electrons.gains neutrons.