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| 标题 | SAT物理学常见公式有哪些？ |
| 内容 | <p style="box-sizing:border-box;margin-top:0px;margin-bottom:15px;padding:0px;line-height:30px;font-size:16px;color:#333333;font-family:" letter-spacing:0.5px;white-space:normal;"="">下面为大家整理的是关于SAT2物理公式的总结，重点放在了力学，光学和电磁学三个方面。掌握SAT2物理公式是大家解答各类题目的前提条件，不仅仅要记住，还要对公式的用法了然于心才可以。
物理热力学常见公式：
Heat added or emoved: Q = m·c·ΔT
Change in Internal Energy: ΔU = Q - W
Boyle's Law: P1V1 = P2V2
Charles's Law: V1/T1 = V2/T2
Efficiency of a heat engine(%): E = (W/Qhot)·100
物理光波学常见公式：
Snell's Law: n1·sin(θ1) = n2·sin(θ2)
Wave speed: v = λ·f
Velocity of light: v = c/n
Magnification: m = -di/do
Law of Reflection: θreflection = θincidence
Mirror and lens equation: 1/d1 + 1/d1 = 1/f
物理电磁学常见公式：
Electric Fields and Forces Formulas
Coulomb's Law: F = k·q1·q1/r2
Electric field of a charge q: E = k·q/r2
Work done by electric field: W = q·E·d
Electric field between two metallic plates: E = V/d
DC Circuits Formulas
Ohm's Law: V = I·R
Power dissipated in a resistor: P = I·V = V2/R = R·I2
Resistance: R = ρ·l/A
Equivalent resistance of series resistors: Rs = R1 + R2 +...
Equivalent resistance of parallel resistors: 1/Rp = 1/R1 + 1/R2 +...
Equivalent capacitance of series capacitors: 1/Cs = 1/C1 + 1/C2 +...
Equivalent capacitance of parallel capacitors: Cp = C1 + C2 +...
Magnetic Fields and Forces Formulas
Magnetic force on a moving charge: F = q(v x B) = q·v·B·sin(θ)
Magnetic force on a current carrying wire: F = I·l·B·sin(θ)
Magnetic field created by a current: B = (μo/2π)·(I/r)
Faraday's Law: E = -dΦ/dt= 更多sat考试干货敬请关注新航道sat考试频道
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