Question

convert the following units into si units with out changing their values

a)5000g
b)2.5km
c)3h
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Answer 1

a) 1 g = 1/1000 kg

5000 g = 5000/1000 kg = 5 kg

b) 1 km = 1000 m

2.5 km = 2.5 × 1000 m = 2500 m

c) 1 h = 3600 s

3 h = 3 × 3600 s = 10800 s