A 200lb log floats in water such that it is half submerged and at rest. What is the magnitude of the buoyant force acting on the log? answer choices greater than 200 lb 200 lb less than 100 lb 100 lb between 100 and 200 lb An object that has a density of 1.0g/cm3 is held below the surface of a tank of water. When the object is released from rest what happnes? answer choices It floats to the surface, but stays completely submerged. It floats to the surface with part of the object rising above the water level. It does not move, staying wherever it was released. It sinks to the bottom of the tank.
A 200lb log floats in water such that it is half submerged and at rest. What is the magnitude of the buoyant force acting on the log? answer choices greater than 200 lb 200 lb less than 100 lb 100 lb between 100 and 200 lb An object that has a density of 1.0g/cm3 is held below the surface of a tank of water. When the object is released from rest what happnes? answer choices It floats to the surface, but stays completely submerged. It floats to the surface with part of the object rising above the water level. It does not move, staying wherever it was released. It sinks to the bottom of the tank.
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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Pressure is the physical force acting per unit area on a body; the applied force is perpendicular to the surface of the object per unit area. The air around us at sea level exerts a pressure (atmospheric pressure) of about 14.7 psi but this doesn’t seem to bother anyone as the bodily fluids are constantly pushing outwards with the same force but if one swims down into the ocean a few feet below the surface one can notice the difference, there is increased pressure on the eardrum, this is due to an increase in hydrostatic pressure.
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Question
A 200lb log floats in water such that it is half submerged and at rest. What is the magnitude of the buoyant force acting on the log?
answer choices
greater than 200 lb
200 lb
less than 100 lb
100 lb
between 100 and 200 lb
An object that has a density of 1.0g/cm3 is held below the surface of a tank of water. When the object is released from rest what happnes?
answer choices
It floats to the surface, but stays completely submerged.
It floats to the surface with part of the object rising above the water level.
It does not move, staying wherever it was released.
It sinks to the bottom of the tank.
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