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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 < > >

College Physics
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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### Physics Problem: Conservation of Energy and Elastic Collision 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 shown in the diagram. #### Diagram Description: - The diagram shows a 2.82-kg ball on a swing hitting a 4.70-kg stationary ball. - The swing path is represented as an arc connected to a pivot point above. #### Questions: **(a)** Using the principle of conservation of mechanical energy, find the speed of the 2.82-kg ball just before impact. - **Number**: [Input Field] **Units**: [Dropdown for units] **(b)** Assuming that the collision is elastic, find the velocity (magnitude and direction) of the 2.82-kg ball just after the collision. - **Number**: [Input Field] **Units**: [Dropdown for units] **(c)** Assuming that the collision is elastic, find the velocity (magnitude and direction) of the 4.70-kg ball just after the collision. - **Number**: [Input Field] **Units**: [Dropdown for units] **(d)** How high does the 2.82-kg ball swing after the collision, ignoring air resistance? - **Number**: [Input Field] **Units**: [Dropdown for units] **(e)** How high does the 4.70-kg ball swing after the collision, ignoring air resistance? - **Number**: [Input Field] **Units**: [Dropdown for units]
Transcribed Image Text:### Physics Problem: Conservation of Energy and Elastic Collision 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 shown in the diagram. #### Diagram Description: - The diagram shows a 2.82-kg ball on a swing hitting a 4.70-kg stationary ball. - The swing path is represented as an arc connected to a pivot point above. #### Questions: **(a)** Using the principle of conservation of mechanical energy, find the speed of the 2.82-kg ball just before impact. - **Number**: [Input Field] **Units**: [Dropdown for units] **(b)** Assuming that the collision is elastic, find the velocity (magnitude and direction) of the 2.82-kg ball just after the collision. - **Number**: [Input Field] **Units**: [Dropdown for units] **(c)** Assuming that the collision is elastic, find the velocity (magnitude and direction) of the 4.70-kg ball just after the collision. - **Number**: [Input Field] **Units**: [Dropdown for units] **(d)** How high does the 2.82-kg ball swing after the collision, ignoring air resistance? - **Number**: [Input Field] **Units**: [Dropdown for units] **(e)** How high does the 4.70-kg ball swing after the collision, ignoring air resistance? - **Number**: [Input Field] **Units**: [Dropdown for units]
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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 5.66 (b) Number i 1.66 (c) Number 4.00 (d) Number i 0.140 (e) Number i 0.814 Units m/s Units m/s Units m/s Units m Units m
Transcribed Image Text: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 5.66 (b) Number i 1.66 (c) Number 4.00 (d) Number i 0.140 (e) Number i 0.814 Units m/s Units m/s Units m/s Units m Units m
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(d) Number (e) Number i IN i Units Units
Transcribed Image Text:(d) Number (e) Number i IN i Units Units
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