Starting with an initial speed of 5.00 m/s at a height of 0.357 m, a 2.82-kg ball swings downward and strikes a 4.70-kg ball that is at rest, as the drawing shows. (a) Using the principle of conservation of mechanical energy, find the speed of the 2.82-kg ball just before impact. (b) Assuming that the collision is elastic, find the velocity (magnitude and direction) of the 2.82-kg ball just after the collision. (c) Assuming that the collision is elastic, find the velocity (magnitude and direction) of the 4.70-kg ball just after the collision. (d) How high does the 2.82-kg ball swing after the collision, ignoring air resistance? (e) How high does the 4.70-kg ball swing after the collision, ignoring air resistance? (a) Number i (b) Number (c) Number i P Units Units Units < > >
Starting with an initial speed of 5.00 m/s at a height of 0.357 m, a 2.82-kg ball swings downward and strikes a 4.70-kg ball that is at rest, as the drawing shows. (a) Using the principle of conservation of mechanical energy, find the speed of the 2.82-kg ball just before impact. (b) Assuming that the collision is elastic, find the velocity (magnitude and direction) of the 2.82-kg ball just after the collision. (c) Assuming that the collision is elastic, find the velocity (magnitude and direction) of the 4.70-kg ball just after the collision. (d) How high does the 2.82-kg ball swing after the collision, ignoring air resistance? (e) How high does the 4.70-kg ball swing after the collision, ignoring air resistance? (a) Number i (b) Number (c) Number i P Units Units Units < > >
Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter9: Linear Momentum And Collisions
Section: Chapter Questions
Problem 9.91AP: A 2.00-g particle moving at 8.00 m/s makes a perfectly elastic head-on collision with a resting...
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