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igcse physics notesprinted 16 · PDF 16
124 pagesrevision 46936
printed 16 · PDF 16
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Question Marks
1(a)(i) | (magnitude of velocity =) 0.90 m/s Aa
use of Pythagoras’ theorem e.g. @’ + b’ = c? OR (speed =) ¥(0.54? + 0.72) C1
OR
correct vector triangle or rectangle drawn
(direction of velocity =) 83° (to riverbank) A2
use of trigonometry to find angle e.g. tand= 0,.72/0.54 ci
OR
(only) angle with horizontal identified on the diagram
Tayi) | (distance =) 81m a3
v= s/tOR(s =) OR (5 =) 0.9(0) « 90 ci
{time =) 1.5 « 60 (= 90) OR (time =) 90 ci
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