AS LEVEL OCR PHYSICS QUESTIONS WITH UPDATED CORRECT SOLUTIONS

AS LEVEL OCR PHYSICS QUESTIONS WITH
UPDATED CORRECT SOLUTIONS

Prefix,units,,,ANS,-



Uncertainties,,,ANS,-Adding,or,subtracting-,Add,the,absolute,uncertainties

Multiplying,or,dividing-,Add,the,percentage,uncertainties

Raising,to,a,power-,Multiply,the,percentage,uncertainties,by,the,power



Percentage,uncertainty,in,the,gradient,,,ANS,-uncertainty,=,½(line,of,best,fit,-,line,of,worst,fit)

Percentage,uncertainty,=,uncertainty,÷,gradient,of,best,fit,line,(×,100)



Speed,,,ANS,-Rate,of,change,of,distance



Displacement,,,ANS,-The,distance,an,object,has,travelled,in,a,given,direction



Velocity,,,ANS,-Rate,of,change,of,displacement



Acceleration,,,ANS,-Rate,of,change,of,velocity



Scalars,,,ANS,-mass,,time,,temperature,,speed,,energy



Vectors,,,ANS,-displacement,,force,,velocity,,acceleration



Velocity=,,,ANS,-u,+,at



Acceleration,,,ANS,-Change,in,velocity,divided,by,time



Displacement=,,,ANS,-Average,velocity,×,Time

, Displacement=,,,ANS,-ut,+,½at²



Velocity²=,,,ANS,-u²,+,2as



Gravitational,field,strength,,,ANS,-9.81,N,/,Kg



Displacement=,,,ANS,-½gt²



Velocity=,,,ANS,-gt



Displacement=,,,ANS,-vt,/,2



Velocity²=,,,ANS,-2gs



Horizontal,velocity=,,,ANS,-V,×,Cos,θ



Vertical,velocity=,,,ANS,-V,×,Sin,θ



Displacement,,,ANS,-Area,under,velocity-time,graph



Time,taken=,,,ANS,-Number,of,frames,×,(1,second,/,frame,rate)



Stopping,distance=,,,ANS,-Thinking,distance,+,Braking,distance



Horizontal,force=,,,ANS,-Force,×,Cos,θ



Vertical,force=,,,ANS,-Force,×,Sin,θ