A 0. 500-kilogram cart traveling to the right on a horizontal, frictionless surface at 2. 20 meters per second collides head on with a 0. 800-kilogram cart moving to the left at 1. 10 meters per second. What is the magnitude of the total momentum of the two-cart system after the collision?.

Suppose you need to verify how to correctly use commas. you open your english textbook and scan the chapter titles. in which one would you most likely find the information you need? a. correct capitalization b. grasping grammar c. super spelling d. proper punctuation

Which of the following comparisons is true? a: high school tests generally cover more material than college exams. b: your college curriculum is more fixed and standardized than your high school curriculum. c: you get more personal attention in class from your college professors than from your high school teachers. d: college professors usually don't review test material in class the way high school teachers do.

Which of the following groups of people is affected by economic laws and rules? a. individual consumers b. firms, both large and small c. governments d. all of the above