Sharmine Tan's answer to tiffany's Secondary 1 Maths Singapore question.
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For part b, if you're unsure. You can: 1) convert km/h to m/h first by multiplying by 1000 =11,400m/h; 2) convert m/h to m/s by dividing by 60 = 90m/s.
Date Posted:
4 years ago
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