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These resources are designed to help you familiarize yourself with the exam format, identify key topics, and practice effectively. Whether you're preparing for the May/June or GCE sessions, our curated materials provide both objective and theory questions to enhance your study sessions.","tags","waec nigeria west africa examination council","version","vip","location",{"_390":391,"_392":393},"type","Point","coordinates",[394,395],9.082,10.3671,"ng","priority",18,"createdOn",1755991949910,"updatedOn","questionsCount",27220,"courseCount",23,"examKey","questionData",{"_369":409,"_410":411,"_412":413,"_278":415,"_416":417,"_263":370,"_418":419,"_420":421,"_110":426},"sOPQfDcw2RlvK79yghuLNPekZra4Od","q","An external force of magnitude 100N acts on a particle of mass 0.15kg for 0.03s. Calculate the change in the speed of the particle","ans",[414],2,"2007","course","physics","exp","a = \\(\\frac{F}{m} = \\frac{100}{0.15} = 666.7\\)
\n
\nv = u + at
\n
\n= 0 + 66.7 x 0.03
\n
\n= 20m/s²","opts",[422,423,424,425],"50ms^-1","25ms^-1","20ms^-1","5ms^-1",13,"13","initComment","initReply","actionData","errors"]

WAEC - Physics (2007 - No. 13)

Explanation

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