FORCES AND MOTION 1.
average speed = s v= t
FORCES AND PRESSURE m 11. a. Density, ρ = V
total distance total time s t= v
s = vt
v−u 2. Acceleration, a = t 3. a. c.
v = u + at s = ut +
1 2 at 2
u +v s= t 2
d.
v 2 = u 2 + 2as
b.
1 1 Fx = kx 2 2 2
F b. Force, F = pA A 15. Pressure in liquid p = hρg 14. a. Pressure, p =
= ρVg
Impuls = Ft = mv − mu mv − mu t
b. Force , F = ma 7. Weight = gravity force = mg 8. Work , W = Fs
W 9. Power, P = t 1 2 10. a. Kinetic energy = mv 2 b. Potential energy = mgh 1 1 2 c. Elastic Potential energy = Fx = kx 2 2
c. Charles Law :
17. Object floating= Weight = buoyant force
mg = ρVg F1 F2 = 18. Pascal Principles : A1 A2
p1 p 2 = T1 T2 V1 V2 = T1 T2
24. Hukum gas semesta :
p1V1 p 2V2 = T1 T2
LIGHT 25. Focal length, f =
Buoyancy force = weight of water displaced
change of momentum = mv − mu
6. a. Impulsive force, F =
12. Hooke Law : F = kx
m ρ
16. Archimedes Pinciples
u+v e. average speed = 2 4. Momentum = mv 5. a.
c. Volume, V =
b. Mass, m = ρV
13. Elastic Potential energy=
b.
b. Pressure Law :
r 2
sin i sin r 1 b. Refractive index, n = sin c real depth c. Refractive index, n = apparent depth speed in vacum d. Refractive index, n = speed in medium
26. a. Refractive index, n =
HEAT X −X
θ ais 19. Temperature, θ = X stim − X ais
× 100 o C
20. Heat Capacity Q = mcθ 21. Latern Heat, Q = ml 22. Absolute temperature, T = 273 + θ o C 23. a. Boyle Law : p1V1 = p 2V2
III
27. Lens Power, P =
1 f dalam meter
1 1 1 = + f u v height of imej v = 29. Magnification, m = height of object u 28. lens equation :
30. a. Magnification of teleskop, M =
fo fm
b. Magnification of teleskop, M =
Pm Po
c. Distance between 2 lens= f o + f m
WAVES
41. a. Power, P =
W t
48. speed of electron :
c. Power, P =
RADIOACTIVITY 49. Einsteins Formula : E = mc 2
V2 R
43. a. emf., E = V + Ir
ELECTRIC & ELECTROMAGNETISM 35. a. Charge, Q = It
b.
E = I( R + r)
44. Alternating current (root mean square)
Q t
a.
36. Potential difference atau voltage, V =
W Q
37. Electric energy, W = QV
I rms =
Io 2
45. a. Transformer :
b. Vrms =
VS N S = VP N P
Vo 2 P : primer S : sekunder
b. Transformer : I SVS = I PVP
V 38. a. Resiatance, R = I b. Potential difference atau voltage, V = IR
V c. Current, I = R
46. Penghantaran Kuasa Elektrik a. Power input, P = IV b. Power lost, P = I 2 R
39. a. SERIES resistance = : R = R1 + R2 + R3
1 1 1 1 = + + R R1 R2 R3
47. Efficiency =
1 2 mv = eV 2
b. Energy, W = Pt
b. Power, P = I 2 R
λD 33. Distance between 2 fringes, x = a 34. Parutan belauan : d sin θ n = nλ
b. PARALLEL resistance :
ELECTRONIC
V2 t R
42. a. Power, P = IV
1 31. Frequency, f = T 32. waves speed, v = fλ
b. Current, I =
c. Energy, W =
Power output × 100% Power input
40. a. Energy, W = IVt b. Energy, W = I 2 Rt IV