88 Answered Questions for the topic Density

05/19/15

find gravitational force
A planet has ? the density of earth but 2x the radius. find the surface gravitational force on this planet. (Hint: Earth’s is 10N/Kg)
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Density Chemistry

02/03/15

Dencity? Is the log oak or pine?
It displaces 2.7 gallons of water and weighs 19.8lb. (Density of oak=0.9g/cm^3; density of pine =0.4g/cm^3.
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Density Chemistry

02/03/15

A 250-L sample of pure glycerol has a mas of 3.15 ×10^3 g. What is the density of the glycerol in g/cm^3?
Please explain step- by-step.
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Density Word Problem

01/29/15

Silver has a density of 10.5 grams/cm^3 and gold has a density of 19.3 grams/cm^3. Which would have a greater mass, 5cm^3 of silver or 5cm^3 of gold
Density Word Problem Help.
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Density

01/29/15

Density Word Problem Help
Silver has a density of 10.5 grams/cm3 and gold has a density of 19.3 grams/cm3. Which would have the greater mass, 5cm3  of silver or 5cm3 of gold?
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01/21/15

Find the slope of the string
A certain string has a linear mass density of 0.25 kg/m and is stretched with a tension of 25 N. One end is given a sinusoidal motion with frequency 5 Hz and amplitude 0.01m. At time t=0, the end... more
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11/24/14

And here's the flask
A flask has a mass of 54.12 g when empty and 180.27 g when filled with water. the density at 22.1°C is 0.997747 g/ml. when the same flask is filled with an unknown liquid, the total mass of the... more
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10/26/14

What happens to the change carrier density
If the current carried by a conductor is doubled what happens to  a)the charge carrier density  b)the current density  c)the electron drift velocity  d)the average time interval between... more
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10/26/14

What must be the length and the diameter of this wire?
Suppose you wish to fabricate a uniform wire from a mass m of a metal with density Pm and resistivity p. If the wire is to have a resistance of R and all the metal is to be used, what must... more
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10/02/14

How does contamination of water in a volumetric pipet affect density when calculating the density of an unknown substance?
Before getting to my question, I will state some background information that isn’t necessarily relevant to my question.In our chemistry lab, we initially calibrated how much water we delivered on... more
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09/16/14

Calculate the electric field inside and outside the sphere.
A sphere of radius a carries a volume charge density rho = rho-sub-zero(r/a)**2 for r < a. Calculate the electric field inside and outside the sphere. (N.B.: rho-subscript-zero is a constant... more
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Density

08/26/14

At a cost of $350/oz, how much would u pay for a solid cubic foot of gold.
At a cost of $350/oz, how much would you have to pay for a solid cubic foot of gold. Density of gold is19.3 g/mL
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Density

05/31/14

find density of mass 500g mass is perfect 2cm cube also it is gold show work please
A mass is 500g   It is a perfect 2cm cube  I need the density and is it gold?  Show work please
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