- #1

#### Chloe Soza

I got this awesome new watch with equations on it, but I don't recognize any of them (except E=mc^2 obviously). Anyone know what they could be referring to?

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- Thread starter Chloe Soza
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In summary, the conversation discusses a new watch with various equations on it, including E=mc^2 and equations related to electrical engineering, EM, transistor gain, Poyinting vector, and quantum mechanics. The participants also mention an equation for kinetic energy in quantum mechanics and one with 8mL4 in the denominator.

- #1

I got this awesome new watch with equations on it, but I don't recognize any of them (except E=mc^2 obviously). Anyone know what they could be referring to?

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- #2

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http://www.learningaboutelectronics.com/Articles/What-is-beta-of-a-transistor

I think another equation is E =1/2 ħ √(k/m)

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offtopic:

That is an awesome watch! ;)

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I see an expression for kinetic energy in quantum mechanics on the bottom left, namely just the p^2.

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The purpose of recognizing equations is to understand and analyze mathematical relationships between variables in a given problem or scenario. This is crucial in many scientific fields, such as physics, chemistry, and engineering, as equations are used to describe and predict natural phenomena.

An equation is a mathematical statement that shows the equality between two expressions. It typically contains variables, constants, and mathematical operations such as addition, subtraction, multiplication, and division. Equations can also use symbols such as "x" and "y" to represent unknown values.

Some common types of equations include linear equations, quadratic equations, exponential equations, and logarithmic equations. These types differ in their structure and the mathematical operations involved, but they all represent a relationship between variables.

To solve an equation means to find the value(s) of the variable(s) that make the equation true. This is often done by using algebraic techniques, such as isolating the variable on one side of the equation, simplifying both sides, and then solving for the variable. It is important to follow the rules of algebra when solving equations.

Yes, equations are used extensively in real-world applications, especially in scientific and engineering fields. They are used to model and predict physical phenomena, design experiments and structures, and solve problems in various industries. Equations are a powerful tool for understanding and manipulating the natural world.

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