Equations 4.0 / 5 based on 2 ratings ? PhysicsEquations and FormulaeIGCSECIE Created by: GinaCreated on: 16-04-13 08:58 Kinetic energy KE=1/2mv2 1 of 57 Potential energy mgh 2 of 57 Law of conservation Gain in kinetic energy= Loss in potential energy 3 of 57 Distance Speed x Time 4 of 57 Acceleration v-u/2 5 of 57 SUVAT v=u+at 6 of 57 SUVAT S=1/2(u+v)t 7 of 57 SUVAT v2=u2+2as 8 of 57 SUVAT S=ut+1/2at2 9 of 57 Weight mass x gravity 10 of 57 Density mass/volume 11 of 57 Force mass x acceleration 12 of 57 Hooke's Law spring constant x extention 13 of 57 Moment Force x perpendicular distance from pivot 14 of 57 Law of moment anticlockwise moment= clockwise moment 15 of 57 work done force x distance 16 of 57 Power work done/time taken 17 of 57 Power Energy transfer/ time taken 18 of 57 Efficiency useful output/total output x 100 19 of 57 Pressure in a Solid Force x area 20 of 57 Pressure in a Liquid density x gravity x height 21 of 57 Hydrualic Jack output force/ input force = output piston area/input piston area 22 of 57 Boyle's Law P1V1=P2V2 23 of 57 Charle's Law V1/T1 = V2/T2 24 of 57 Pressure Law P1/T1 = P2/T2 25 of 57 Gas Law P1V1/T1 = P2V2/T2 26 of 57 Linear Thermal Expansion change in length= expansivity of material x temp change x original length 27 of 57 Cubical Thermal Expansion change in volume= cubical expansivity x temp change x original length 28 of 57 Specific heat Capacity Heat energy/ mass x temp change 29 of 57 Specific latent heat heat energy/ mass 30 of 57 Thermal Capacity m x c OR Q/ change in temp 31 of 57 Specific heat of vapourisation heat energy/ mass 32 of 57 Wave equation 1 wavespeed= frequency x wavelength 33 of 57 Wave equation 2 frequency= 1/time 34 of 57 Law of reflection angle of incidence= angle of reflection 35 of 57 angle of refraction sin(i)/sin(r) 36 of 57 Angle of refraction speed of light in air or vacuum/ speed of light in a meduim 37 of 57 Speed of light in air= 3x 108, in water= 2.25 x 108, in glass= 2x 108 38 of 57 Echo 2x distance/time 39 of 57 Speed of Sound in air= 330-340 40 of 57 Current charge/ time 41 of 57 Ohms Law V= IR 42 of 57 Voltage Energy/ charge 43 of 57 Resistance resistivity (length/ area) 44 of 57 Series resistance R= R1+R2+R3 45 of 57 Parallel resistance 1/R= 1/R1+ 1/R2+ 1/R3 46 of 57 Potential divider V1/V2= R1/R2 47 of 57 Energy Transformed charge x voltage x time OR power x time 48 of 57 Power IV OR I2xR OR V2/R OR Energy/time 49 of 57 Transformer VP/VS = NP/NS 50 of 57 AND Gate Out is high if 1 AND 2 are high 51 of 57 OR Gate Out is high if 1 OR 2 is high 52 of 57 NOT Gate Out is high if In is NOT 53 of 57 NAND Gate Out is high if 1 AND 2 are NOT high 54 of 57 NOR Gate Out is high if 1 OR 2 are both NOT high 55 of 57 Energy mass x speed of light2 56 of 57 Half life start activity/2 57 of 57
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