Two identical iron balls each of mass 0.4 kg undergo an elastic collision. The first ball travels with a velocity of 4 m/s and the second ball is at rest. What is the momentum of the second
ball if the first ball comes to a stop after the collision?

Discussion! you will discuss how work is distributed at home. who does what? how do you clean your home? using commands, progressive tense, and vocabulary learned in this lesson. write this in spanish and english! this is worth 50 percent of my grade so !

You want to tell your friends what time it is. select the correct answer. it is 2: 15 a.m. select one: a. son las dos y cuarto de la mañana. c. son las dos y cuarto. d. son las dos y cuatro de la mañana.

Which verb form best completes this sentence? mis padres el talento de caravaggio. a. admiramos b. admiran c. admira d. admiro