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October 31, 2014

Search: calculate the density of solid cube the measures 5.0 cm on each side and has s mass of 350 g.

Number of results: 53,268

Chemistry
An element has ccp packing with a face-centered cubic unit cell. Its density is 8.92 g/cm3 and the unit cell volume is 4.72 x 10-26 L. Calculate the molar mass (g/mol) of the element to three significant figures.
May 16, 2009 by Kristina

chemistry
An element has ccp packing with a face-centered cubic unit cell. Its density is 1770 kg/m3 and the unit cell volume is 1.50 x 10-28 m3. Calculate the molar mass (g/mol) of the element to three significant figures.
January 20, 2012 by Crystal

physics
The density of liquid carbon dioxide is about 0.8 g/cm^3. What volume fraction inside the fire extinguisher (when it is full) is occupied by liquid CO2? The density of CO2 gas is negligible compared to the density of liquid CO2. Volume of fire extinguisher is 7.1*10^-3m^3; ...
December 24, 2013 by Alice

algebra
The ratio of the measures of three sides of a triangle are 1/2:1/3:1/5, and its perimeter is 6.2 centimeters. find the measure of each side of the triangle
January 23, 2009 by chargersmath

5th grade
the lengths of two sides of a triangle are 15in.each.the third side measures 10 in.what type of triangle is this
December 2, 2010 by Anonymous

Calculus III
Find the moment of inertia about a diameter of s spherical shell of uniform density, D, bounded by two concentric spheres of radii a and b, where a<b. Express your answer in terms of a, b and the mass of the spherical shell. So far I have found my equation for row (p), and ...
August 4, 2014 by E

G.N.M.P.S
A solid weighs 1000g in air , 75g in water, and 70g in oil. Calculates the relative density of oil ?
March 8, 2014 by shakshi

Chem-Lab-HELP!!
Heating 1.124g of an unknown NaHCO3-NaCl mixture resulted ina mass loss of 0.270g. 1) Calculate the mass of NaHCO3 present in the original mixture. 2) Calculate the mass percent of NaHCO3 in the uknown mixture
February 17, 2010 by Macey

Physics
A 6-g ice cube at −8C is dropped into 70 g of water at 31C. (a) After enough time has passed to allow the ice cube and water to come into equilibrium, what is the temperature of the water? (b) If a second ice cube is added, what will the temperature be?
July 20, 2012 by Vladimir

Chemistry
An ice cube at 0 degrees Celsius was dropped into 30.0 g of water in a cup at 45.0 degrees Celsius. At the instant that all of the ice was melted, the temperature of the water i the cup was 19.5 degrees Celsius. What was the mass of the ice cube?
April 21, 2010 by Scoob

Chemistry
An ice cube at 0 degrees Celsius was dropped into 30.0g of water in a cup at 45 degrees Celsius. At the instant that all of the ice was melted, the temperature of the water in the cup was 19.5 degrees Celsius. What was the mass of the ice cube?
April 23, 2010 by Help1001

Science
what happens when we apply force below the centre of mass of a cube ? Will it tip?
October 1, 2012 by suman

chemistry
What is the mass of 1120cm cube of hydrogen gas at 750mmHg and 40 degree celsius
October 4, 2012 by Femi

Math
Nathan is designing a box to keep his pet newt in. To make the box, hes going to start with a solid rectangle and cut squares with sides x cm in length from each corner, as shown in the picture below. The dimensions of the of the solid rectangle are 51 cm by 45 cm. The volume...
October 30, 2014 by Matt

Chemisry
what mass of protons would be required to just neutralize the charge of 1.0g of electrons? how do I answer this? You know the mass of an electron. Calculate how many are in 1 gram. You will need the same number of protons. Knowing the mass of a proton calculate the number ...
February 8, 2007 by Chris

chem HELP PLEASE its physics side of chem
given E, = l^2 h^2 / 2 m r^2 calculate energies for an electron localised to a circle of radius 2 x 10^-9 m for l = 0,1,2, draw pictures of three levels and calculate the relative populations of these levels at 300K i did the first bit but came out with, 0, 6.0249 x 10-6 J mol...
October 27, 2009 by poppy

chemistry
A student measures the mass of a book as 12,321g. What is the book's mass in kg?
August 23, 2007 by Rachael

chemistry
Calculate the number of grams of reactant left over when 28.35 grams of silver reacts with 50.0 liters of air at STP which is 20.9476 % oxygen by volume. The density of air at STP is 1.292 g/L. attemtp at solution volume of oxygen= .209476*50L=10.5L How do i go from volume of ...
November 8, 2008 by jason

geometry
The rectangle ABCD is rotated about the side AB. Find the volume of the solid defined by this rotation. AB = DC = 4cm AD = CB = 2cm
January 9, 2011 by peter

Chemistry - please this is urgent
To a calorimeter containing 41.80g of water at 29.95oC, 11.7999 of a salt was added with stirring. As the salt dissolved, the temperature rapidly changed to 37.85oC before slowly returning to room temperature. 1. Calculate the Heat of Solution. Given that the Heat of Formation...
March 14, 2008 by girl who needs help in chemistry right now

chemistry
ohh im sorry i also have another problem i don't understand. "A rectangular solid measures 1.0 m by 5.6 cm by 2.1 dm. Express its volume in cubic meters, liters, cubic inches, and cubic feet." i don't even know what dm means ! Someoneee please help me!
July 21, 2008 by Jecce

density
Suppose two worlds, each having mass M and radius R, coalesce into a single world. Due to gravitational contraction, the combined world has a radius of only 3/4R. What is the average density of the combined world as a multiple of p0, the average density of the original two ...
December 1, 2013 by Rebecca

chemistry
A 4.14 m solution of the solute methylene chloride dissolved in the solvent ethanol is available. Calculate the mass ( kg ) of the solution that must be taken to obtain 1487 g of methylene chloride density: CH2Cl2-1327(kg/m^3) C2H5OH-789.3(kg/m^3)
January 28, 2010 by bubble

Chemistry Science
calculate the mass of carbon dioxide that would be produced when one gas of tank of gasoline (use octane) is burned in the air. assume an 80 liter gas tank and 0.703 g/ml as the density of octane
August 30, 2014 by Joan

AP Chemistry, Chem, science
Can anyone please help me with this problem?? =/ The reaction between solid sodium and iron (III) oxide is one in a series of reactions that inflates an automobile airbag. If 100g of sodium and 100g of iron(III) oxide are used in this reaction, determine: a. the balanced ...
September 14, 2012 by Layla

physicss
A cube with sides each 3cm long has 8 charges of Q = 25nC at each corner. What is the electric potential \Delta V at the center of the cube with respect to infinity, which is defined to have V=0 V?
October 17, 2012 by Anthony

math
a storage crate has the dimensions : 12ft * 6ft *5ft. how many cube-shaped boxes measuring 8 inches in length could be stacked completely within the cube??
April 10, 2013 by tina

math
a storage crate has the dimensions : 12ft * 6ft *5ft. how many cube-shaped boxes measuring 8 inches in length could be stacked completely within the cube??
April 10, 2013 by kyle

math
a storage crate has the dimensions : 12ft * 6ft *5ft. how many cube-shaped boxes measuring 8 inches in length could be stacked completely within the cube??
April 10, 2013 by julia

Physics (please help!!!!)
A man of mass 80 kg and density 970 kg/m3 stands in a shallow pool with 31% of the volume of his body below water. Calculate the normal force the bottom of the pool exerts on his feet. (Take the positive direction to be up. Indicate the direction with the sign of your answer.)
April 16, 2011 by HELP!!!!

Physics - Oscillations
An astronaut measures her mass by means of a device consisting of a chair attached to a large spring. The period of oscillation she undergoes when set into motion is used to determine her mass. If her mass, together with the chair, is 172kg, and the time required for her to ...
November 18, 2013 by Mikhail

chemistry
More dilute sodium hydroxide solutions are often prepared from a sastuated sodium hydroxide soltuion thats is 52.0% by mass and has a density of 1.48 g/mL. Calculate the volume, in liters, of this solution needed to prepare 35.0 L if 0.125 M sodium hydroxide?
March 30, 2011 by conlan

Physics - KE/Inertia
The rigid body shown in Figure 10-66 (it is a triangle with the upper mass = to M and the bottom two corners/masses equal to 2M. The bottom side length equals .70 cm with point P in the middle of the side and the other two sides equal .55 cm)consists of three particles ...
March 26, 2007 by COFFEE

10th grade
The ratio of the measures of three sides of a triangle are 1/2:1/3:1/5, and its perimeter is 6.2 centimeters. find the measure of each side of the triangle
January 22, 2009 by Edisooner

math
One of the angles of a right triangle measures 30, and the hypotenuse is 10 inches long. How long is the side opposite the 30 angle?
September 5, 2010 by ben

physics
A person weights 685 N in air but only 497 N when standing in water up to the hips. Find (a) the volume of each of the persons legs and (b) the mass of each leg, assuming they have a density that is 1.05 times the density of water.
March 25, 2013 by Jess

chemistry
a solid substance has a density of 4.36 g/ml. what is the volume of 30 g of this substance?
December 12, 2011 by jessica lou

Math help please
calculate missing dimension. square based pyramid has height 92cm and volume 5.4 m cube.
September 30, 2010 by Annie

Geometry/Math
Calculate the volume to the nearest tenth of a 6.3-m cube with a hole 2 m in diameter drilled through it. Use 3.14 for pi.
May 21, 2012 by Lex

chemistry
Calculate the energy that must be removed to convert substance X from a gas at 115C to a solid -50.7C. Assume X has a molar mass of 75.0 g/mol. Specific heat capacities ΔHvap 20. kJ/mol C(s) 3.0 J/g C ΔHfus 5.0 kJ/mol C(l) 2.5 J/g C bp 75C C(g) 1.0 J/g C ...
April 19, 2010 by Trish

chemistry
Calculate the energy that must be removed to convert substance X from a gas at 115C to a solid -50.7C. Assume X has a molar mass of 75.0 g/mol. Specific heat capacities ΔHvap 20. kJ/mol C(s) 3.0 J/g C ΔHfus 5.0 kJ/mol C(l) 2.5 J/g C bp 75C C(g) 1.0 J/g C ...
April 19, 2010 by Trish

Finding the Molecular Formula
A certain compound containing only carbon and hydrogen was found to have a vapor density of 2.550 g/L at 100 degrees C and 760 mm Hg. If the empirical formula of this compound is CH, what is the molecular formula of this compound? I had some ideas as to how to solve this ...
December 8, 2012 by Amy

science
If the volume of 26.100 grams of chloroform has a density of 1.49 g per ml, then what is the mass? I got 18.125. Is this correct? My other question is, if the mass of an aspirin is 250 mg, then what is the mass in kg? I got, .00025. Is this correct? Thanks, Elise
February 19, 2009 by Elise

Science
If the volume of 26.100 grams of chloroform has a density of 1.49 g per ml, then what is the mass? I got 18.125. Is this correct? My other question is, if the mass of an aspirin is 250 mg, then what is the mass in kg? I got, .00025. Is this correct? Thanks, Elise
February 19, 2009 by Elise

Math
Determine the number of triangles that could be drawn with the given measure. Then, find the measures of the other angles and the other side in each possible triangle. Round side lengths to the nearest tenth of a unit and angle measure to the nearest tenth of a degree, where ...
June 10, 2014 by Han

Chemistry
A piece of dry ice (solid carbon dioxide) with a mass of 25.5 g is allowed to sublime (convert from solid to gas) into a large balloon. Assuming that all of the carbon dioxide ends up in the balloon, what will be the volume of the balloon at a temperature of 18 degrees Celsius...
February 24, 2011 by Jake

Chemistry
A piece of dry ice (solid carbon dioxide) with a mass of 25.5 g is allowed to sublime (convert from solid to gas) into a large balloon. Assuming that all of the carbon dioxide ends up in the balloon, what will be the volume of the balloon at a temperature of 18 degrees Celsius...
February 24, 2011 by Jake

geometry
An isosceles triangle has a base of 9.8 units long. If the congruent side lengths have measures to the first decimal place, what is the shortest possible length of the sides.
October 23, 2011 by Billy

math
An isosceles triangle has a base 9.6 units long. If the congruent side lengths have measures to the first decimal place, what is the shortest possible length of the sides?
July 1, 2014 by sara

science
Erin must perform a science experiment. She needs to dissolve 10 g of salt in 250 ml of water. She measures the water incorrectly and dissolves the 10 g of salt in 350 ml of water. Now she has no more salt. Explain what Erin can do to make the solution accurate.
April 29, 2008 by astrid

chemistry
A 4.58 m solution of the solute methylene chloride dissolved in the solvent acetone is available. Calculate the mass ( kg ) of the solution that must be taken to obtain 0.8848 kg of methylene chloride. density: CH2Cl2-1.327 (g/mL) (CH3)2CO-0.7899 (g/mL)
January 28, 2010 by bubble

Chemistry
Balance Eq.: Na2Co3+ CaCl2--> CaCo3+ 2NaCl. (CHALK) Calculate the mass of a dry precipitate. Calculate the mass of moles of the precipitate produced in the reaction.
October 28, 2007 by Monte;

Physics please check
The "karat" is a dimensionless unit that is used to indicate the proportion of gold in a gold-containing alloy. An alloy that is one karat gold contains a weight of pure gold that is one part in twenty-four. What is the volume of gold in a 20.0 karat gold necklace whose weight...
April 9, 2007 by Mary

chemistry
You are analyzing a solid isolated from a reaction and find that its boiling point is over 1000 ∘C. You dissolve the compound in water solution and recrystallize it to produce some solid crystals that you use to determine that the compound is a crystalline solid. Which ...
January 23, 2014 by Sheila

Math/Algabra
The perimeter of a triangle is 102. side b is twice as long as side A. and side C is three less than side B.. how long is each side.
February 13, 2011 by Randy

Chemistry
Can someone please help me out here? I've tried several times and i keep getting the wrong answer :( lol A small crucible is filled with 100.00 mL of n-hexadecane (MW (226.44 g/mol), density (0.7703 g/mL)) and 2.10 L of 7-octenyltrichlorosilane (MW (245.65 g/mol), density (1....
January 21, 2013 by Tawnya

physics
A record player is spinning at 32 rpm when the motor is switched off. After 6.8 seconds the angular speed has decreased to 20 rpm. Calculate the frictional torque if the record player can be treated as a solid wheel of mass 2.4 kg and radius 15 cm. A) 476.47059 Nm B) 0.00499 ...
November 28, 2010 by emily

High school chem 1
4NH3(g) + 5O2(g) -> 4NO(g) + 6H20(g) what mass of H2O can be produced from 350 liters of NH3?
March 1, 2011 by tyler

Physics Help..
A small cube (m=0.290 kg) is at a height of 261 cm up a frictionless track which has a loop of radius, R = 28.71 cm at the bottom. The cube starts from rest and slides freely down the ramp and around the loop. Find the speed of the block when it is at the top of the loop. A ...
February 12, 2014 by Ron

Geometry
A study draws triangle with a perimeter 36cm.the study says that the longest side measures 18cm. how do you know that the student is incorrect?
January 31, 2011 by JUn

wchs
A checkerboard measures 144 square inches. What is the length of a small square on its side? Hint: It has 8 squares per edge.
January 30, 2012 by Clara

Geometry/Math again!
The base of a prism is a regular hexagon that measures 4 cm on each side. The prism has a height of 13 cm. What is its total surface area?
May 21, 2012 by Lex

physics
A flask has a mass of 78.23 g when empty and 593.63 g when filled with water. When the same flask is filled with concentrated sulfuric acid, H2SO4, its mass is 1026.57 g. What is the density of concentrated sulfuric acid? (Assume water has a density of 1.00 g/cm3 at the ...
September 6, 2010 by Jack

chemistry
A flask has a mass of 78.23 g when empty and 593.63 g when filled with water. When the same flask is filled with concentrated sulfuric acid, H2SO4, its mass is 1026.57 g. What is the density of concentrated sulfuric acid? (Assume water has a density of 1.00 g/cm3 at the ...
September 6, 2010 by Jack

Chemistry
What is true for water? A) In a phase diagram the solid-liquid coexistance line has a negative slope. B) In a phase diagram the solid-liquid coexistance line has a positive slope. C) The solid is more dense than the liquid. D) The solid is less dense than the liquid. E) The ...
December 9, 2012 by Anon

science
a u-tube is partially filled with water.oil which does not mix with water is next poured into one side until water rises by 2.5cm on the other side.if the density of oil be 0.8 ,the oil level will stand higher than the water level by how much?
May 17, 2012 by abuobaida johar

TO MS SUE SCIENCE HELP
These are my last 2 questions i need help on.... 1. to determine the density of an irregularly shaped object, a student immersed the object in 21.2 ml of water in a graduated cylinder, causing the level of the water to rise to 27.8 ml. If the object had a mass of 22.4 g, what ...
December 14, 2012 by SPIKE

Chemistry
If 0.790 mol of solid TiO2 and 8.53 g of solid C are reacted stoichiometrically according to the balanced equation, how many moles of solid TiO2 remain? 3TiO2(s) + 4C(s) + 6Cl2(g) → 3TiCl4(l) + 2CO2(g) + 2CO(g)
February 10, 2009 by Anonymous

Chemistry
A 893 g sample of a solution of the solute (CH3)2CO in the solvent C4H8O that has a concentration of 28.6 pph by mass (CH3)2CO is available. Calculate the amount (g) of acetone that is present in the sample. Molar Mass (g/mol) (CH3)2CO 58.05 C4H8O 72.12 Density (kg/m3): (CH3)...
February 14, 2010 by Anonymous

Science
One edge of a copper cube is carefully measured and found to be 2.162 cm. An atom of copper is a sphere 0.2560 nanometers in diameter. Assuming that the volume of the cube contains nothing but copper atoms, how many copper atoms are contained in the cube? (the volume of a cube...
September 24, 2011 by Laurel

math
If a cube is built from an one inch cubes and if each new cube has an edge N times as long as the previous model what would be true of consecutive surface areas
March 31, 2011 by Cheyenne

chemistry
please check if I did this right ... calculate the mass of white solid CaCO3 that forms when 98ml of a 0.1M Ca(NO3)2 solution is mixed with 54 ml of a 2.5M Na2CO3 solution. Ca(NO3)2 + 2NaCO3 -> Ca(CO3)2 + 2NaNO3 .098*0.1 =.0090 .054*2.5 =.135 limiting reactant is Ca(NO3)2 ....
January 29, 2010 by Krissy

Chem I
Calculate the concentrations of hydronium and hydroxide ions in a solution prepared by dissolving 0.345g of solid NaOH in enough water to make 225mL of solution. Also calculate the pH and pOH of the solution.
November 15, 2010 by Natalea

Physics
Why do your vowels examples ("aaah", "eee", "uhh") sound different then when I make them? Explain. Tension, mass density and the length of our vocal cords differ so would that be the reason why they sound different? For instance: a child's voice is usually higher pitched than ...
March 1, 2008 by Andrea

physics
Each of the following objects has a radius of 0.180 m and a mass of 2.65 kg, and each rotates about an axis through its center (as in the table below) with an angular speed of 41.4 rad/s. Find the magnitude of the angular momentum of each object. a) a hoop ___ kg m/s b) a ...
December 15, 2012 by anonymous

physics
Each of the following objects has a radius of 0.180 m and a mass of 2.65 kg, and each rotates about an axis through its center (as in the table below) with an angular speed of 41.4 rad/s. Find the magnitude of the angular momentum of each object. a) a hoop ___ kg m/s b) a ...
December 15, 2012 by anonymous

math
A building lot in a city is shaped as a 30 -60 -90 triangle. The side opposite the 30 angle measures 41 feet. a. Find the length of the side of the lot opposite the 60 angle. b.Find the length of the hypotenuse of the triangular lot. c. Find the sine, cosine, and tangent ...
March 8, 2013 by allison

prealgebra
A building lot in a city is shaped as a 30 -60 -90 triangle. The side opposite the 30 angle measures 41 feet. a. Find the length of the side of the lot opposite the 60 angle. b.Find the length of the hypotenuse of the triangular lot. c. Find the sine, cosine, and tangent ...
July 31, 2014 by Anonymous

math
The volume of cube I is 331 m^3 less than the volume of cube II. If an edge of cube I is 10 meters, an edge of cube II is A. 14 meters B. 13 meters C. 12 meters D. 11 meters
August 15, 2014 by Troy

maths
A paving block is is in the shape of a prism, the area of it' cross section being 154cm^2.The prism i 17cm long ad the material from whih it is made has a density of 2.2g/cm^3. Calculate the mass of the paving block. Please can you tell me the method aswell thanks
June 6, 2009 by chelsea

Chemistry
In a laboratory activity, a student team measures the heat released by burning heptane. Using the following data, calculate the molar heat of combustion of heptane in kJ/mol: Mass of water - 179.2 g Initial water temperature - 11.6 degrees C Final water temperature - 46.1 ...
April 21, 2008 by Natasha

Pre-Algebra
Q: A building lot in a city is shaped as a 30 -60 -90 triangle. The side opposite the 30 angle measures 41 feet. a. Find the length of the side of the lot opposite the 60 angle. b. Find the length of the hypotenuse of the triangular lot. C.Find the sine, cosine, and ...
June 22, 2014 by DArko

physics
To determine the density of block of aluminum, you measured the mass at 101.1 g and a volume of 38.2 cm3 . When you looked up the value for aluminum density you found out it should be 2700 kg/m3 What is the percent error for your experimental data? a) 1.98% c) 19.8% b) 0.198...
January 20, 2011 by Anonymous

chemistry
A 893 g sample of a solution of the solute (CH3)2CO in the solvent C4H8O that has a concentration of 28.6 pph(parts per hundred) by mass (CH3)2CO is available. Calculate the amount (g) of acetone that is present in the sample. Molar Mass (g/mol) (CH3)2CO 58.05 C4H8O 72.12 ...
February 16, 2010 by Angel

Chemistry
A newly discovered giant planet has an aver- age radius 12 times that of the Earth and a mass 722 times that of the Earth. Calculate the ratio of the new planets den- sity to the Earths density.
September 14, 2010 by Daniel

chemistry
Determine the mass of NaCl in 1.0 L of 3.0 % by mass aqueous solution of sodium chloride. The density of the solutions is 1.10 gmL-1 please explain all the steps, thanks!
December 8, 2010 by Stacy

physics
The density of ice is 917 kg/m3, and the density of sea water is 1025 kg/m3. As shown is the figure, a polar bear climbs onto a piece of ice, which has a volume of 5.75 m3, and is floating in sea water. a) What is the mass of the piece of ice? b) What is the mass of the ...
March 9, 2013 by Chris

science
An object measures 12 x 3 x 2.5 cm and has a density of 0.6 g/cm3. When it is placed in water, what is the volume of the part of the object that is above the surface of the water?
September 19, 2011 by frankie

science
An object measures 12 x 3 x 2.5 cm and has a density of 0.6 g/cm3. When it is placed in water, what is the volume of the part of the object that is above the surface of the water?
September 25, 2011 by Anonymous

science
An object measures 12 x 3 x 2.5 cm and has a density of 0.6 g/cm3. When it is placed in water, what is the volume of the part of the object that is above the surface of the water?
September 25, 2011 by Anonymous

physics torque and shelf
When a wood shelf of mass 6.1 kg is fastened inside a slot in a vertical support, the support exerts a torque on the shelf. The board is 32cm wide by 3cm tall. the slot is 2 cm wide (3cm tall)on the lefthand side. So there are three vertical forces. A) Calculate the upward ...
May 22, 2009 by kelsi

chemistry
At 25 degrees celsius, the dimensions of a rectangular block of gold are 4.42 cm by 3.07 cm by 2.63 cm. The mass of the gold is 689g. I found that the density is 19.3g/cm^3 at 25 degrees but how will the density change if the temperature is increased to 125 degrees?
September 30, 2010 by kate

Chemistry
Instant cold packs used to treat athletic injuries contain solid NH4NO3 and a pouch of water. When the pack is squeezed, the pouch breaks and the solid dissolves, lowering the temperature because of the following endothermic reaction. NH4NO3(s) + H2O(l) = NH4NO3(aq) H = +25.7...
February 1, 2011 by Don

Calculus
If the tolerance on the volume of a cube is a 2% error then what should the tolerance be fore each side? So what i did was V=x^3 dV = 3x^2 dx dV/V = 2% What should I do next? the answer is 2/3% but I don't know how it works. Thanks.
November 3, 2008 by Andrew

maths
When two cube of side 12 cm are joined end to end to form a cuboid then the total surface area of cuboid is
November 30, 2012 by maihul

Chemistry
A photon has a wavelength of 350 nm. Calculate the energy of the photon in joules
November 6, 2010 by kevin

MATH
1;The lengths of two sides of atrisngle are 12cm and 15cm.between what two measures should the length of the third side fall.
August 17, 2012 by AMIT KUMAR

Math 7
Suppose you copy a drawing of a polygon with the given size factor. How will the side lengths, angle measures, and perimeter of the image compare to those of the original? A.) 200% B.) 150% C.) 50% D.) 75%
January 15, 2013 by Brandon

Physics
A cubical block of wood 0.100 m on a side and with a density 550 kg/m^3 of floats in a jar of water. Oil with a density of 750 kg/m^3 is poured on the water until the top of the oil layer is 0.035 m below the top of the block. 1. How deep is the oil layer? Please tell me the ...
January 17, 2014 by Lisa

Physics
A 65kg person's density is 990kg/m^3 with 2.4 L of air in lungs. What vol of air would the person have to expel to bring the density to that of water 1000 kg/m^3 (neglect the mass of air)?
November 13, 2011 by Mily

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