Problem 4: A firecracker is thrown into the air. At the peak of its path (where its velocity is zero) it explodes into three pieces. Pieces one and two have mass m=20g. Piece three has mass m3-60g. Piece one is measured to be going 50m/s in the negative x-direction and piece two is measured to be going 50m/s at an angle of 30 degrees above the positive x-axis. A. What is the initial total momentum of the system, ie., what was the momentum of the firecracker before it exploded? B. What is the magnitude of the momentum of the piece going in the negative x-direction? C. What is the magnitude of the momentum of the piece going 30 degrees above the positivex- axis?
Problem 4: A firecracker is thrown into the air. At the peak of its path (where its velocity is zero) it explodes into three pieces. Pieces one and two have mass m=20g. Piece three has mass m3-60g. Piece one is measured to be going 50m/s in the negative x-direction and piece two is measured to be going 50m/s at an angle of 30 degrees above the positive x-axis. A. What is the initial total momentum of the system, ie., what was the momentum of the firecracker before it exploded? B. What is the magnitude of the momentum of the piece going in the negative x-direction? C. What is the magnitude of the momentum of the piece going 30 degrees above the positivex- axis?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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