A steel ball of mass 0.870 kg is fastened to a cord that is 85.0 cm long and fixed at the far end. The ball is then released when the cord is horizontal, as shown in the figure. At the bottom of its path, the ball strikes a 4.00 kg steel block initially at rest on a frictionless surface. The collision is elastic. Find (a) the speed of the ball and (b) the speed of the block, both just after the collision.

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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**Problem Description:**

A steel ball of mass 0.870 kg is fastened to a cord that is 85.0 cm long and fixed at the far end. The ball is then released when the cord is horizontal, as shown in the figure. At the bottom of its path, the ball strikes a 4.00 kg steel block initially at rest on a frictionless surface. The collision is elastic. Find (a) the speed of the ball and (b) the speed of the block, both just after the collision.

**Diagram Explanation:**

The diagram illustrates a steel ball attached to a cord, showing its path from horizontal to the point of collision with a block. The ball swings downward in an arc before making contact with the block on a horizontal, frictionless surface.

**Questions:**

(a) Speed of the ball after the collision:
- Number: [Input box]
- Unit: [Dropdown menu]

(b) Speed of the block after the collision:
- Number: [Input box]
- Unit: [Dropdown menu]
Transcribed Image Text:**Problem Description:** A steel ball of mass 0.870 kg is fastened to a cord that is 85.0 cm long and fixed at the far end. The ball is then released when the cord is horizontal, as shown in the figure. At the bottom of its path, the ball strikes a 4.00 kg steel block initially at rest on a frictionless surface. The collision is elastic. Find (a) the speed of the ball and (b) the speed of the block, both just after the collision. **Diagram Explanation:** The diagram illustrates a steel ball attached to a cord, showing its path from horizontal to the point of collision with a block. The ball swings downward in an arc before making contact with the block on a horizontal, frictionless surface. **Questions:** (a) Speed of the ball after the collision: - Number: [Input box] - Unit: [Dropdown menu] (b) Speed of the block after the collision: - Number: [Input box] - Unit: [Dropdown menu]
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