3. Pure gold has density. 19,300 kg/m³. A friend gives you as a gift a rectangular piece of metal with dimensions 10.0mm x 20.0mm x 30, 0mm- and a mass 4.560 x 10-² kg. Your friend says it is pure goid. Which density do youderive for this rectangular piece of metal? And is it gold? Express your answer in kilograms per cubic meter.

3. Pure gold has density. 19,300 kg/m³. A friend gives you as a gift a rectangular piece of metal with dimensions 10.0mm x 20.0mm x 30, 0mm- and a mass 4.560 x 10-² kg. Your friend says it is pure goid. Which density do youderive for this rectangular piece of metal? And is it gold? Express your answer in kilograms per cubic meter.

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter11: Fluid Statics

Section: Chapter Questions

Problem 6CQ: Give an example in which density is used to identify the substance composing an object. Would...

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Similar questions

Give an example in which density is used to identify the substance composing an object. Would information in addition to average density be needed to identify the substances in an object composed of more than one material?
A small statue is recovered in an archaeological dig. Its weight is measured to be 96 lb, and its volume 0.08 ft3. (a) What is the statue's weight density? (b) What substance is it?
(a) A rectangular gasoline tank can hold 50.0 kg of gasoline when full. What is the depth of the tank if it is 0.500-m wide by 0.900-m long? (b) Discuss whether this gas tank has a reasonable volume for a passenger car.
Assume it takes 7.00 minutes to fill a 30.0-gal gasoline tank. (a) Calculate the rate at which the tank is filled in gallons per second. (b) Calculate the rate at which the tank is filled in cubic meters per second. (c) Determine the time interval, in hours, required to fill a 1.00-m3 volume at the same rate. (1 U.S. gal = 231 in.3)
(a) What fraction of Earth's diameter is the greatest ocean depth? (b) The greatest mountain height?
Estimate the total mass of the Earths atmosphere. (The radius of the Earth is 6.37 106 m, and atmospheric pressure at the surface is 1.013 105 Pa.)
A straightforward method of finding the density of an object is to measure its mass and then measure its volume by submerging it in a graduated cylinder. What is the density of a 240-g rock that displaces 89.0 cm3 of water? (Note that the accuracy and practical applications of this technique are more limited than a variety of others that are based on Archimedes' principle.)
A certain material has a mass of 565 g while occupying 50 cm3 of space. What is this material? (Hint: Use Table 3.1.)
2. A cylindrical storage tank has a radius of 1.22 m. When fi lled to aheight of 3.71 m, it holds 14 300 kg of a liquid industrial solvent. What isthe density of the solvent?
7) A particular gasoline tank can hold 51 kg of gasoline when full. What is the depth, in meters, of the tank if it is a rectangular box 0.45-m wide by 0.75-m long? The density of gasoline is typically 0.680 × 103 kg/m3.
A spherical ball has a radius of 21.2 cm and weights 88.0 grams. What is it’s density? V=4/3πr3V=4/3?r3
A rectangular block of gold has the following dimensions: length = 5.6 in, width = 3.04 in, and height = 2.42 in. What is the mass of this block of gold in kg? The density of gold is 18.9 g/cm3.