If accuracy is important, I would use a digital scale to determine the mass of a whole teaspoon. Then, divide that by 3 and use the scale to measure out the ingredient.
What is the angular momentum of a 0.210kg ball rotating on the end of thin string in a circle of radius 1.10m at angular speed of 10.4 rad/s?
I got 2.64 kgm2/s. L = r * p = r * mv r= 1.1m m=0.210kg v=distance/time We know the rate of revolution (10.4 rad/s = 10.4/(2 * Pi) revs/s) We know the radius of the circle, and thus the circumference which is 2.2*Pi m/rev. So, the velocity is (10.4/(2 * Pi) revs/s) * 2.2*Pi … Read more
1) You want another person to do something. 2) You want information. 3) Pleasure or relief. 4) You want to influence what another person is thinking.
The relevance is enormous. If you live in a country with a representative style of government, then the techniques and effects of mass communication will have a large impact on who gets elected, what the laws of the country are, whether or not you go to war, whether or not you bail out your banks, … Read more
As a method, it is as well suited to studying psychological problems as any other method; however, I feel it is important to point out the inherent weaknesses that are not always obvious: Scientific Method: www.sciencebuddies.org The steps of the scientific method are to: 1) Ask a Question 2) Do Background Research … Read more
Depends on how you define "source." When I work on a problem or issue, these are the sources I use: 1) My own experiences 2) The people who are experiencing the problem or issue. 3) Other experts. 4) Printed reference material. 5) Public forums where problems are discussed.
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