the diameter of wheel bus is 90cm which makes 315 revolution per minute determine its speed in kilometre per hour
Answers
Answered by
10
Diameter = 90 cm ⟹ r = 45 cm
circumference = 2×227×45 = 282.85
Distance covered in one revolution = 282.85 cm
∴Distance covered in 315 revolution=282.85×315=89097.75cm=89097.75100000=0.89097km
distance covered in 1 minute = 0.89097
distance covered in 60 minutes or 1 hr = 0.89097 × 60 km/hr
53.45 km/hr
Mark as brainliest if the answer is correct
Similar questions
Geography,
5 months ago
Science,
5 months ago
Biology,
10 months ago
Chemistry,
10 months ago
Social Sciences,
11 months ago
Social Sciences,
11 months ago