Physics Laboratory Manual
4th Edition
ISBN: 9781133950639
Author: David Loyd
Publisher: Cengage Learning
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Chapter 18, Problem 6PLA
An object that sinks in water has a mass in air of 0.0675 kg. Its apparent mass when submerged in water, as in Figure 18-1, is 0.0424 kg. What is the specific gravity SG of the object? Considering the densities given in Appendix II, of what material is the object probably made? Show your work.
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The cylinder in (Figure 1) is divided into two compartments by a frictionless piston that can slide
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greater than
less than
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higher temperature
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equal to
the separated gases tend to
occupy the same volume
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equal forces act on the piston
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The pressure on the left side is
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Determine the absolute pressure two meters
3
underneath a 1200 kg/m³ density fluid under
normal earth gravity and atmosphere. Use
atmospheric pressure of 101 kPa. Show your work
below, then use the simulation (under the
"Pressure" tab) to get an experimental
Calculate experimental error.
value.
a. Calculated Pressure (Theoretical)
b. Simulated Pressure (Experimental)
c. Experimental Error
A fluid of density 1200 kg/m³ flows out through a
2 meter diameter pipe without friction at a rate of
3000 L/s. Find the velocity of the fluid as it flows
out of the pipe, and the velocity of the fluid if the
pipe constricts to a diameter of 1 meter. Then
calculate the change in pressure (in the middle of
the pipe) between the 2 meter and 1 meter
diameter. Using the simulation (under the "Flow"
tab) determine experimental values for each of
these velocities/change in pressures and calculate
experimental error. Show your work.
a. Calculated initial velocity
b. Experimental initial velocity
c.…
Chapter 18 Solutions
Physics Laboratory Manual
Ch. 18 - Prob. 1PLACh. 18 - What is specific gravity? What are its units?Ch. 18 - State Archimedes principle.Ch. 18 - The buoyant force on an object placed in a liquid...Ch. 18 - An object that sinks in water displaces a volume...Ch. 18 - An object that sinks in water has a mass in air of...Ch. 18 - A piece of wood that floats on water has a mass of...Ch. 18 - An object has a mass in air of 0.0832 kg, apparent...
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