Sunday
February 7, 2016

Posts by samuel

Total # Posts: 212

physics
Three balls A, B, and C, with masses of 3 kg, 1 kg, and 1 kg, respectively, are connected by massless rods. What are the coordinates of the center of mass?
October 13, 2008

physics
A water molecule consists of an oxygen atom and two hydrogen atoms. Oxygen has a mass of 16 atomic units (u) and each hydrogen has a mass of 1 u. The hydrogen atoms are each at an average distance of 96 pm ( 96 x 10 -12 m) from the oxygen atom, and are separated from one ...
October 13, 2008

HISTORY
what features of the welfare state did the new deal create?
October 13, 2008

physics
A pendulum consists of an object of mass 1.07 kg that hangs at the end of a massless bar, a distance 1.14 m from the pivot point. Calculate the magnitude of the torque due to gravity about the pivot point if the bar makes an angle of 22° with the vertical. torque = ...
October 13, 2008

physics
An athlete at the gym holds a 4.33 kg steel ball in his hand. His arm is 75.0 cm long and has a mass of 5.28 kg. What is the magnitude of the torque about his shoulder if he holds his arm straight out to his side, parallel to the floor? Responses Physics - bobpursley, Saturday...
October 13, 2008

chemistry
Phosgene (COCl2) is an extremely poisonous gas that was used extensively in World War I as a chemical warfare agent. At 300oC, phosgene decomposes to carbon monoxide and chlorine with a Kp = 6.8 x 10-2. Calculate the pressure in the vessel at equilibrium after placing 5.00 ...
October 13, 2008

HISTORY HELP
I'm reading my book and from what i'm getting here is that the progressives demanded a more activist government but what im not understanding is how they justified their demands.
October 12, 2008

Algebra
Write the slope-intercept form of an equation for each line, given either the slope and the y-intercept or the coordinates of two points. (5, -3) and (-4, -3)
May 5, 2008

Algebra
Determine whether the graphs of the equations are parallel, perpendicular, or neither. y=-x+2 y=-x-3
May 5, 2008

drug chart help
Does anyone know a site that has information about drugs (narcotics, stimulants, depressants, hallucinogens, etc...) with the following info: Name of Drug Slang Name Source How it Looks How it's Used Short Effect Duration Physical (Yes/No) Psychological Addiction (Yes/No) ...
January 10, 2008

Physics
Work is transferred, not made.
October 23, 2007

physics
A:0.124764 meter
October 9, 2007

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