《高中物理》全套公式（Full set of formulas for high school physics）.docVIP

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《高中物理》全套公式（Full set of formulas for high school physics）.doc

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《高中物理》全套公式（Full set of formulas for high school physics） [transfer] high school physics a set of formulas, physical bad turn, very full! Reprinted from the cupola reproduced in 2010 05 flying 10 July 22:42 reading comments (5) (0) Category: personal diary Report Super comprehensive physical formula!!! Useful to say ~ (summed up in the order of our physics course) 1) uniform variable linear motion 1. average speed = V = s/t (definition) 2. useful inferences Vt2-Vo2 = 2As 3. intermediate time, speed Vt/2 = V, flat = (Vt+Vo) /2 4., end velocity Vt = Vo+at 5. intermediate position speed Vs/2 = [(Vo2+Vt2) /2]1/2 6. displacement S = V flat t = Vot+at2/2 = Vt/2t 7. acceleration a (Vt-Vo) /t = {Vo is a and Vo to the same direction, a0 (acceleration); reverse a0} The 8. corollary is s = aT2 {Delta s for continuous time (T) adjacent equal displacement difference} Note: (1) the average speed is a vector; (2) the object is very large and the acceleration is not necessarily large; (3) a= (Vt-Vo) /t is just a measure, not a decision; 2) free fall motion 1. initial velocity = Vo 2, velocity Vt = GT 3. drop height h = gt2/2 (down from Vo position) 4. inference Vt2 = 2GH (3) vertical projectile motion 1. s = 2. Vot-gt2/2 displacement speed Vt = Vo-gt (g=9.8m/s2 = 10m/s2) 3. useful inferences Vt2-Vo2 = -2gs 4. rise maximum height Hm = Vo2/2g (throw points count) 5. round-trip time t = 2Vo/g (time from throwing back to original position) 1) flat throwing motion 1. horizontal direction speed: Vx = Vo 2., vertical direction speed: Vy = GT 3. horizontal displacement: x = Vot 4., vertical displacement: y = gt2/2 5. movement time t = (2y/g) 1/2 (usually expressed as (2h/g) 1/2) 6., Vt = (Vx2+Vy2) 1/2 = [Vo2+ (GT) 2]1/2 Speed direction and horizontal angle beta: TG beta = Vy/Vx = gt/V0 7. in displacement: S = (x2+y2) 1/2, Displacement direction and horizontal angle alpha: TG = y/x = gt/2Vo 8. horizontal acceleration: ax=0; vertical acceleration: ay = g 2) uniform circular motion 1. line spe