Wednesday
May 22, 2013

Posts by Bob


Total # Posts: 2140

Physics
A duck has a mass of 2.8 kg. As the duck paddles, a force of 0.09 N acts on it in a direction due east. In addition, the current of the water exerts a force of 0.20 N in a direction of 47° south of east. When these forces begin to act, the velocity of the duck is 0.12 m/s ...

Physics
A duck has a mass of 2.8 kg. As the duck paddles, a force of 0.09 N acts on it in a direction due east. In addition, the current of the water exerts a force of 0.20 N in a direction of 47° south of east. When these forces begin to act, the velocity of the duck is 0.12 m/s ...

History
What is moral law? What is civil law? Contrast the both. can someone name me anything relating to those from current events or historical events?

LA
Why are you saying thank you?

LA
what links the subject of the sentence with a description of the subject?

Chemistry
A 0.41 g sample of limestone was dissolved in HCl and all the calcium in the limestone was converted to Ca2+(aq). The solution was treated with excess ammonium oxalate, (NH4)2C2O4(aq), and it was found that 3.0 g of calcium oxalate, CaC2O4(s) was precipitated. Calculate the pe...

Social studies
Why did mound builders build burial mounds

english
homeschool students.......

english
'hotness'....obviously is conceeded

Science
thank you

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