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physics:energy [2021/03/11 03:38] – shorthand epixphysics:energy [2021/03/15 04:01] (current) – [Elastic Potential Energy] added epix
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   * $P = \frac{w}{t}$, $w$ is work and is in Joules, and $t$ is time in seconds.   * $P = \frac{w}{t}$, $w$ is work and is in Joules, and $t$ is time in seconds.
   * $P = FV$((if you think about it, this is actually just a substitution of the work equation $w = FD$ and $V = \frac{\Delta \text{position}}{\Delta \text{time}}$)), where $F$ is force((typically you'll need to substitute it with $F_{\text{net}}=ma$ or $mg$)), and $V$ is the velocity. Velocity needs to be constant for this to work.   * $P = FV$((if you think about it, this is actually just a substitution of the work equation $w = FD$ and $V = \frac{\Delta \text{position}}{\Delta \text{time}}$)), where $F$ is force((typically you'll need to substitute it with $F_{\text{net}}=ma$ or $mg$)), and $V$ is the velocity. Velocity needs to be constant for this to work.
 +
 +===== Elastic Potential Energy =====
 +Elastic Potential Energy represents the stored energy of a spring. The spring constant((k)) measures the elasticity of a spring, its unit is N/m ((Newtons/meter)).
 +  * $\text{EPE} = \frac{1}{2}kD^2$ where $k$ is the spring constant and $D$ is the displacement of the spring from rest.

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