kela
This page lists questions and answers that were posted by visitors named kela.
Questions
The following questions were asked by visitors named kela.
Neutron diffraction is an important technique for determining the structures of molecules. Calculate the velocity of a neutron needed to achieve a wavelength of 0.989 Å. i used the equation and got 4.37, but its not right! pleas help someone
14 years ago
find the derivative of 9^8^x^2
12 years ago
Use implicit differentiation to find an equation of the tangent line to the curve at the given point. x2 + 2xy − y2 + x = 17, (3, 5) (hyperbola)
12 years ago
A common inhabitant of human intestines is the bacterium Escherichia coli. A cell of this bacterium in a nutrient-broth medium divides into two cells every 20 minutes. The initial population of a culture is 51 cells. (a) Find the relative growth rate. (As...
12 years ago
A sample of a radioactive substance decayed to 94.5% of its original amount after a year. (Round your answers to two decimal places.) (a) What is the half-life of the substance? (b) How long would it take the sample to decay to 65% of its original amount?
12 years ago
The radius of a sphere is increasing at a rate of 2 mm/s. How fast is the volume increasing when the diameter is 80 mm? mm^3/s
12 years ago
Answers
The following answers were posted by visitors named kela.
I do not understand why so many people of different race is hating the fact that Obama is the President. You might as well accept it and as in my opinion Bush did put us in the recession and Obama can not put the United states in further debt or teouble a...
16 years ago
no its 9 to the power 8 to the power x to the power 2
12 years ago
asserted national authority over the states
10 years ago
am against 'boys should not help in the kitchen'
3 years ago
boys should help because ,their wives wouldn't be able to do anything when they are sick because their weak to even standup to do something.
3 years ago