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A cube of pine wood, of side length 20 cm is held underwater. Ppine = 550 kg/m³ Pwater= 1000 kg/m³ a. What is the buoyant force exerted on the cube by the water? b. When the cube is released what is the upward acceleration of the cube? Remember the weight acts vertically downward and the buoyant force acts vertically upward. When the cube is floating, what percentage of its volume is under the water? 20cm

A cube of pine wood, of side length 20 cm is held underwater. Ppine = 550 kg/m³ Pwater= 1000 kg/m³ a. What is the buoyant force exerted on the cube by the water? b. When the cube is released what is the upward acceleration of the cube? Remember the weight acts vertically downward and the buoyant force acts vertically upward. When the cube is floating, what percentage of its volume is under the water? 20cm

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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**Educational Website Content: Buoyancy and Floating Objects** **Topic: A Cube of Pine Wood Submerged Underwater** A cube of pine wood, with a side length of 20 cm, is held underwater. Given the following densities: - Density of pine (\( \rho_{\text{pine}} \)) = 550 kg/m³ - Density of water (\( \rho_{\text{water}} \)) = 1000 kg/m³ **Questions:** a. **What is the buoyant force exerted on the cube by the water?** b. **When the cube is released, what is the upward acceleration of the cube?** Remember that the weight acts vertically downward, and the buoyant force acts vertically upward. c. **When the cube is floating, what percentage of its volume is under the water?** **Diagram Explanation:** On the right, there is a simple illustration depicting a cube submerged underwater. The cube's side length is labeled as 20 cm. The diagram represents the scenario described in the problem, with the cube located beneath the water surface.
Transcribed Image Text:**Educational Website Content: Buoyancy and Floating Objects** **Topic: A Cube of Pine Wood Submerged Underwater** A cube of pine wood, with a side length of 20 cm, is held underwater. Given the following densities: - Density of pine (\( \rho_{\text{pine}} \)) = 550 kg/m³ - Density of water (\( \rho_{\text{water}} \)) = 1000 kg/m³ **Questions:** a. **What is the buoyant force exerted on the cube by the water?** b. **When the cube is released, what is the upward acceleration of the cube?** Remember that the weight acts vertically downward, and the buoyant force acts vertically upward. c. **When the cube is floating, what percentage of its volume is under the water?** **Diagram Explanation:** On the right, there is a simple illustration depicting a cube submerged underwater. The cube's side length is labeled as 20 cm. The diagram represents the scenario described in the problem, with the cube located beneath the water surface.
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