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...Save my exams the home of revision for more awesome gcse and a level resources visit us at www savemyexams co uk physical quantities units measurements question paper o subject physics exam board cambridge international examinations unit general topic booklet time allowed minutes score percentage grade boundaries diagram shows arrows representing two vector which resultant r these vectors b c d set are all acceleration displacement velocity chemical energy mass power extension force gravitational potential weight kinetic work student determines circumference golf ball instrument gives reading that is calipers micrometer rule tape quantity speed scalar or diameter length thin wire approximately cm in measured as precisely possible what best instruments to use newton s third law involves equal size opposite direction j m n w temperature during an experiment find density stone lowered into measuring cylinder partly filled with water statement correct difference between readings volume fin...