11 3 M1 for forming 2 equations eg. & for cao M1 A1 12 3 for process of using or or P1 10 : 25 : 56 : 14 “twice” e.g for : : : : : : P1 cao : : : A1 13 4 P1 starts process to find angle 16 or shows in a diagram 76.5m/s P1 for using tan ratio to find the distance P1 for seen 2293.963… A1 cao 14 (a) 2 days 3 for finding ; ; M1 for correct substitution eg ; ; ; M1 cao A1 ; ; for correct substitution eg (b) 6.2g/m2 2 M1 cao A1 15 1320 2 M1 for A1 cao 16 60, 40 2 M1 for method to find scale of frequency density scale goes up in 4s
11 3 M1 M1 A1 for forming 2 equations eg. & for cao 12 or : : : : : : 10 : 25 : 56 : 14 3 P1 P1 A1 for process of using “twice” e.g or for : : : cao 13 76.5m/s 4 P1 P1 P1 A1 starts process to find angle 16 or shows in a diagram for using tan ratio to find the distance for 2293.963… seen cao 14 (a) (b) ; ; ; ; ; ; ; 2 days 6.2g/m2 3 2 M1 M1 A1 M1 A1 for finding for correct substitution eg cao for correct substitution eg cao 15 1320 2 M1 A1 for cao 16 scale goes up in 4s 60, 40 2 M1 for method to find scale of frequency density
Predicted-Paper-2-Higher-Mark-Scheme.docx