the radius of wheel of a vehicle is 42cm . how many revolutions will it complete in a 19.8km long journey.
Answers
Answered by
35
radius=42cm
circumference=2. pi.r
=2×3.14×42cm (1)
distance=19.8km = 198×10^4 cm (2)
no. of revolutions = (2)/(1)
=7500
circumference=2. pi.r
=2×3.14×42cm (1)
distance=19.8km = 198×10^4 cm (2)
no. of revolutions = (2)/(1)
=7500
Answered by
11
Answer:
Step-by-step explanation:
No. of revolutions =Total distance /distance covered in one revolution
=1980000cm/264(circumference)
=7500
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