A pair of skaters initially at rest push against each otherso that they move in opposite directions. What is thetotal momentum of the two skaters as they move apart?Is there a different answer if their masses are not thesame?
3/11/2016 Ch 08 HW Ch 08 HW Due: 11:59pm on Friday, March 11, 2016 To understand how points are awarded, read the Grading Policy for this assignment. Problem 8.2 A 400g model rocket is on a cart that is rolling to the right at m/sp . The rocket engine, when it is fired, exerts a 9N0 vertical thrust on the rocket. Your goal is to have the rocket pass through a small horizontal hoop that is 20m above the launch point. Part A At what horizontal distance left of the loop should you launch Express your answer to two significant figures and include the appropriate units. ANSWER: x = 6.2m Correct A Mass on a Turntable: Conceptual A small metal cylinder rests on a circular turntable that is