$$s=vt-\frac{1}{2}at^2$$

$$v=u+at$$

$$v^2=u^2+2as$$

$$v=\sqrt[]{\mu_sgR}$$

$$W=Fs$$

$$W=mg$$

$$W=Pt$$

$$W=P\Delta V$$

$$F=ma$$

$$f=\frac{R}{2}$$

$$f=\frac{1}{T}$$

$$f=\mu N$$

$$E=\frac{kQ}{r^2}$$

$$E=hf$$

$$E=\frac{1}{2}CV^2$$

$$E=mgh$$

$$E_1=E_2$$

$$\Sigma P_1=\Sigma P_2$$

$$A_1V_1=A_2V_2$$

$$\left(P+\rho gh+\frac{1}{2}\rho v^2\right)_1=\left(P+\rho gh+\frac{1}{2}\rho v^2\right)_2$$

$$E=\frac{hc}{\lambda}$$

$$v=f\lambda$$

$$v_{rms}=\sqrt[]{\frac{3P}{\rho}}$$

$$\lambda'-\lambda_0=\frac{h}{mc}\left(1-\cos\theta\right)$$

$$R=\rho\left(\frac{L}{A}\right)$$

$$I=\frac{Q}{t}$$

$$R=\frac{mv}{qB}$$

$$P=\frac{2\pi mv\cos\theta}{qB}$$

งาน

กำลังไฟฟ้า

ค่าไฟ

ยูนิต

$$Q=mc\Delta t$$

$$Q=\Delta U+W_{gas}$$

$$Q=\frac{Mg}{E}$$

$$Q=mL$$

$$P_g=\rho gh$$

$$\rho=\frac{m}{v}$$

$$P=\frac{F}{A}$$

$$P=P_0+\rho gh$$

$$f=6\pi\eta rv$$

$$F=\gamma L$$

$$F_B=\rho_{เหลว\ }gV_{จม}$$

$$\Delta U=\frac{3}{2}nR\Delta t$$

$$v=\omega A\cos\left(\omega t+\phi_0\right)$$

$$\frac{1}{f}=\frac{1}{s}+\frac{1}{s'}$$

$$m=\frac{f}{s-f}$$

$$m=\frac{s'-f}{f}$$

$$\frac{1}{R_{total}}=\frac{1}{R_1}+\frac{1}{R_2}+...$$

$$V=IR$$

$$I=\frac{\Sigma E}{\Sigma R+\Sigma r}$$

$$B=\mu_0nl$$

$$\omega=\frac{2\pi}{T}$$

$$T=2\pi\sqrt[]{\frac{L\cos\theta}{g}}$$

$$f=\frac{1}{T}$$

$$\tan\theta=\frac{\omega^2L\sin\theta}{g}$$