A silver block of volume 0.18 m is suspended from a spring scale and immersed in a flask of water. Then the silver block is removed, and an aluminum block of the same volume replaces it. (a) In which case is the buoyant force the greatest, for the silver block or the aluminum block? silver block aluminum block the buoyant force is the same for each (b) In which case does the spring scale read the largest value? silver block aluminum block the scale reading is the same for each (c) Use the known densities of these materials to calculate the quantities requested in parts (a) and (b). Compare your calculations (for consistency) with your previous answers to parts (a) and (b). (The density of silver is 1.05 x 10* kg/m and the density of aluminum is 2.70 x 10° kg/m.) Material Buoyant force Scale reading silver aluminum

A silver block of volume 0.18 m is suspended from a spring scale and immersed in a flask of water. Then the silver block is removed, and an aluminum block of the same volume replaces it. (a) In which case is the buoyant force the greatest, for the silver block or the aluminum block? silver block aluminum block the buoyant force is the same for each (b) In which case does the spring scale read the largest value? silver block aluminum block the scale reading is the same for each (c) Use the known densities of these materials to calculate the quantities requested in parts (a) and (b). Compare your calculations (for consistency) with your previous answers to parts (a) and (b). (The density of silver is 1.05 x 10* kg/m and the density of aluminum is 2.70 x 10° kg/m.) Material Buoyant force Scale reading silver aluminum

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter15: Fluid Mechanics

Section: Chapter Questions

Problem 1OQ: A wooden block floats in water, and a steel object is attached to the bottom of the block by a...

See similar textbooks

Similar questions

A man has a mass of 80 kg and a density of 955kg/m3 (excluding the air in his lungs). (a) Calculate his volume. (b) Find the buoyant force air exerts on him. (c) What the ratio of the buoyant force to his weight?
(a) Verify that a 19.0% decrease in laminar flow through a tube is caused by a 5.00% decrease in radius, assuming that all other factors remain constant. (b) What increase in flow is obtained from a 5.00% increase in radius, again assuming all other factors remain constant?
The gravitational force exerted on a solid object is 5.00 N. When the object is suspended from a spring scale and submerged in water, the scale reads 3.50 N (Fig. P15.24). Find the density of the object. Figure P15.24 Problems 24 and 25.
Fluid originally flows through a tube at a rate of 100 cm3/s. To illustrate the sensitivity of flow rate to various factors, calculate be new flow rate for following changes with all other factors remaining the same as in original conditions. (a) Pressure difference increases by a factor of 1.50. (b) A new fluid wit 3.00 times greater viscosity is substituted. (c) The tube is replaced by one having 4.00 times the length. (d) Another tube used with a 0.100 times the original. (e) Yet another tube is substituted with a radius 0.100 times the original and half length, and pressure difference is increased by factor of 1.50.
A wooden block floats in water, and a steel object is attached to the bottom of the block by a string as in Figure OQ15.1. If the block remains floating, which of the following statements are valid? (Choose all correct statements.) (a) The buoyant force on the steel object is equal to its weight. (b) The buoyant force on the block is equal to its weight. (c) The tension in the string is equal to the weight of the steel object. (d) The tension in the string is less than the weight of the steel object. (e) The buoyant force on the block is equal to the volume of water it displaces.
Do fluids exert buoyant forces in a “weightless" environment, such as in the space shuttle? Explain your answer.
A beaker of mass mb containing oil of mass mo and density o rests on a scale. A block of iron of mass mFe suspended from a spring scale is completely submerged in the oil as shown in Figure P15.63. Determine the equilibrium readings of both scales. Figure P15.63 Problems 63 and 64.
A hot-air balloon consists of a basket banging beneath a large envelope filled with hot air. A topical hot-air balloon has a total mass of 545 kg. including passengers in its basket, and holds 2.55 103 m3 of hot air in its envelope. If the ambient air density is 1.25 kg/m3, determine the density of hot air inside the envelope when the balloon is neutrally buoyant. Neglect the volume of air displaced by the basket and | passengers.
Water is moving at a velocity of 2.00 m/s through a hose with internal diameter of 1.60 cm. (a) What is the flow rate in liters per second? (b) The fluid velocity in this hose's nozzle is 15.0 m/s. What is the nozzle's inside diameter?
A large storage tank with an open top is filled to a height h0. The tank is punctured at a height h above the bottom of the tank (Fig. P15.39). Find an expression for how far from the tank the exiting stream lands. Figure P15.39
What fraction of ice is submerged when it floats in freshwater, given the density of water 0°C is very close to 1000 kg/m3?
A 1.00-kg beaker containing 2.00 kg of oil (density = 916.0 kg/m3) rests on a scale. A 2.00-kg block of iron suspended from a spring scale is completely submerged in the oil as shown in Figure P15.63. Determine the equilibrium readings of both scales. Figure P15.63 Problems 63 and 64.