(b) Change 1669.8 kilometres/hour into metres/second.
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Answer:
1669800 metre /second
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1669.8 km/h into m/s
1 km = 1000 m, 1 hour = 3600 seconds
3600/1000 = 36/10 = 3.6
Divide 1669.8 by 3.6
1669.8÷3.6
= 16698/10÷36/10
= 16698/10×10/36
= 16698/36
= 2783/6
= 463.833333..... m/s (Answer)
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