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\n
\n400 x 2.5 = 1000g
\n
\nLoss in mass = volume x density
\n
\n= \\(\\frac{400}{2}\\) x 1 = 200g
\n
\nReading on spring balance = 1000 - 200g = 800g","opts",[422,423,424,425],"1200g","1000g","800g","400g",6,"6","initComment","initReply","actionData","errors"]

WAEC - Physics (2016 - No. 6)

Explanation

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