A beach ball filled with air is pushed about 1 m below the surface of a swimming pool and released from rest. Which of the following statements are valid, assuming the size of the ball remains the same? 1. As the ball rises in the pool, the buoyant force on it increases. II. When the ball is released, the buoyant force exceeds the gravitational force, and the ball accelerates upward. III. The buoyant force on the ball decreases as the ball approaches the surface of the pool. IV. The buoyant force on the ball equals its weight and remains constant as the ball rises. V. The buoyant force on the ball while it is submerged is approximately equal to the weight of a volume of water that could fill the ball.
A beach ball filled with air is pushed about 1 m below the surface of a swimming pool and released from rest. Which of the following statements are valid, assuming the size of the ball remains the same? 1. As the ball rises in the pool, the buoyant force on it increases. II. When the ball is released, the buoyant force exceeds the gravitational force, and the ball accelerates upward. III. The buoyant force on the ball decreases as the ball approaches the surface of the pool. IV. The buoyant force on the ball equals its weight and remains constant as the ball rises. V. The buoyant force on the ball while it is submerged is approximately equal to the weight of a volume of water that could fill the ball.
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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