Speed Distance Time Questions P 2 9000m 1.25 x 10-3m/s 300s 2000s 28.57 m/s 12.5 m/s 7.14 m/s 3360m 525m 285.71 s Calculator Exercises P3.4 Rounding off 31.19 1.38 x 10-6 0.11 EXP Practice 1.81 x 10-7 0.33 1.5 x 1013 1.12 x 10-10 0.49 3.58 x 1036 8.57 x 10-65 556.49 2.28 x 1051 833.33 26.31 1.2 x 1019 23.61 1.54 x 1018 2.4 x 1021 105.66 112.5 6.8 x 10-12 Average Speed P 5, 6, 7, 8, 9 780 m (a) 70 km/h 5714 s (b)1 h 40 min (a)5 m/s 120 000 m (c)82.5 km/h (b)5 m/s 55556 s (a)480m (c)12.5 m 20 625s (573 h) (b)13.71 s (d)880 m 1042 m/s (c) After 15s (e)0.05 s 28571 m/s cheetah is still 5m (f)200 s (a)2328 m/s behind Antelope. 125 m/s (b)Perth & Dundee Antelope escapes! 2 400 m (a) 3 m/s (a) Donald 667 s (b) 5 Mickey’s 82.95 m/s 192 m/s (c) s Mickey’s 78.35m/s Donald 77.84 m/s
Speed Distance Time Questions P 2 9000m 300s 28.57 m/s 7.14 m/s 525m 1.25 x 10-3m/s 2000s 12.5 m/s 3360m 285.71 s Calculator Exercises P3.4 Rounding off 0.11 0.33 0.49 556.49 26.31 23.61 105.66 31.19 EXP Practice 1.5 x 1013 3.58 x 1036 2.28 x 1051 1.2 x 1019 1.54 x 1018 112.5 6.8 x 10-12 1.38 x 10-6 1.81 x 10-7 1.12 x 10-10 8.57 x 10-65 833.33 2.4 x 1021 Average Speed P 5, 6, 7, 8, 9 (a)5 m/s (b)5 m/s (c)12.5 m (d)880 m (e)0.05 s (f)200 s 125 m/s 2 400 m 667 s 192 m/s 780 m 5714 s 120 000 m 55556 s 20 625s (573 h) 1042 m/s 28571 m/s (a)2328 m/s (b)Perth & Dundee (a) 3 m/s 5 s (a) 70 km/h (b)1 h 40 min (c)82.5 km/h (a)480m (b)13.71 s (c) After 15s cheetah is still 5m behind Antelope. Antelope escapes! (a) Donald (b) Mickey’s 82.95 m/s (c) Mickey’s 78.35m/s Donald 77.84 m/s
DS-N45-Question-book-1-Dynamics.docx