..Tanya was reading a novel, which had 10 chapters. She spent 1 hour(s) ..
Tanya was reading a novel, which had 10 chapters. She spent 1 hour(s) reading the first chapter and took the same amount of time to read all the other chapters of the novel. She completed reading the novel in 19 hours. Solve the equation 1 + 9 h = 19, to find h , the n..
Velocity of Sound in Different Gases
As seen from equation (1-28), the velocity of sound in a gas depends on g , the ratio of the principle specific heats of the gas. This, in turn, depends on the atomicity of the gas. An approximate equation connecting g and the degrees of freedom is Where n is the number of degrees of freedom. For a..
As seen from equation (1-28), the velocity of sound in a gas depends on g , the ratio of the principle specific heats of the gas. This, in turn, depends on the atomicity of the gas. An approximate equation connecting g and the degrees of freedom is Where n is the number of degrees of freedom. For a..Difference Formula
For any two angles A and B we have ..
For any two angles A and B we have ..The Seven Periods
1. First period The first period has two elements - hydrogen and helium. 2. Second and third period The second and third periods are known as short periods. Each consists of eight elements. The second period starts with lithium (Z = 3) and ends with inert gas neon (Z = 10)...
To establish a relation between different physical quantities
The principle of homogeneity of dimensional equation is used to derive a relation between various physical quantities. To derive a physical relation, the dependent factors of a given physical quantity is found. Assuming its dimensions in terms of these factors, the final dimensional equation is wri..
The principle of homogeneity of dimensional equation is used to derive a relation between various physical quantities. To derive a physical relation, the dependent factors of a given physical quantity is found. Assuming its dimensions in terms of these factors, the final dimensional equation is wri..Relation between gravitational field intensity and gravitational potential difference
If M is the mass of a body around which a field exists and m is the test mass placed at a distance r from M in this field then, Potential energy per unit mass is gravitational potential (..
If M is the mass of a body around which a field exists and m is the test mass placed at a distance r from M in this field then, Potential energy per unit mass is gravitational potential (..Naming Compounds With More Than One Different Functional Groups
Root word: but C=O preferred over the OH group (so lowest number) Prefixes are: methyl and hydroxy Primary suffix: ane Secondary suffix: one Name of the compound is: 3-hydroxy-3-methylbutan-2-on..
Question 7
Question: Solve the following equation: Answer: 5(3x+5) = 2(2x-1) (by cross-multiplication) 15x-4x = -2-25 11x = -27 ..
Question: Solve the following equation: Answer: 5(3x+5) = 2(2x-1) (by cross-multiplication) 15x-4x = -2-25 11x = -27 ..Theorem 11
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