Saturday
May 25, 2013

# Posts by Ashlee

Total # Posts: 89

phyiscs
A stone is thrown horizontaly from the top of a 25.00-m cliff. The stone lands at a distance of 40.00 m from the edge of the cliff. What is the horizontal velocity of the stone?

what mass of lead (ii) iodide (pbl2, mass=461 amu)is precipitated by the addition of an excess of potassium iodide (ki, mass=166 amu)to 50.0 ml of 0.60 m lead (ii) nitrate (pb(no3)2, mass=331.2 amu)?

physics
a man has only 4 simple pulleys to lift a heavy load of 6000N. in roder to lift the load easily, he combines the pulleys (3 moveable, 1 fixed). given that the frictional forces are 300N, what force must he apply in order to lift the load?

college
Your asking for how many combinations and not the probability so ignore the answer above. First find the number of combinations if all letters and numbers can be repeated (26*26*10*10*10*10)=6760000 Then find the number of combinations if none were repeated (26*25*10*9*8*7)=32...

research paper on code of medical ethics opinion 5
No one Principle of Medical Ethics can stand alone or be individually applied to a situation. In all instances, it is the overall intent and influence of the Principles of Medical Ethics which shall measure ethical behavior for the physician .Now days many copywriting services...

math
(3/5)/6=D/25

chemistry
How many mL of 0.750 M HCl are needed to neutralize 14.89 mL of 0.350 M NaOH? ____ mL

chemistry
A 3.455 g sample of vinegar is titrated. It requires 16.83 mL of 0.2145 M NaOH to get to the phenolphthalein end point. Calculate the weight percent of acetic acid in this sample of vinegar. ____ % Note: calculate the molecular weight to one decimal place, so the answer should...

Chemistry
Compare the properties of elements and compounds. Give two examples of each, including one example that exists in the human body. Explain the atomic nature of one element and one compound found in human body.

Science
Explain the feedback mechanisms that maintain homeostasis.

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