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Saturday, January 30, 2010

Form 4 Physics: Unit Conversion 2

1. How to convert 2.5 kg to mg.

Firstly you must convert 2.5 kg to g by replacing k with its factor 103
and it will become like this: 2.5 x 103 g
secondly, in order to convert 2.5 x 103 g to mg you must remember that the
factor of m is 10-3 so the value must be multiplied with 103
and that would become like this (2.5 x 103) x 103 mg which then equals to
2.5 x 106 mg

2. How to convert 5.5 µg to kg.

Firstly you must convert 5.5 µg to g by replacing µ with its factor 10-6
and it will become like this: 5.5 x 10-6 g
secondly, in order to convert 5.5 x 10-6 g to kg you must remember that the
factor of k is 103 so the value must be multiplied with 10-3
and that would become like this (5.5 x 10-6) x 10-3 kg which then equals to
5.5 x 10-9 kg

Try this:

a) Convert 4.2 kg to ……… µg
b) Convert 2.8 mg to ……… Kg

Answer: a) 4.2 x 109
b) 2.8 x 10-6

1 comment:

  1. Assalamualaikum cg..alhamdulillah..hari ni baru sy faham nak buat conversion ni!!selama ni sy x fhm cg kat sekolah ajar sebab sy tak bg perhatian..terima kasih atas usaha cg mengajar kat blog ni!!teruskan usaha!!moga Allah redha amin...-Ainun (terengganu)

    ReplyDelete

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