A car moves in a circular path and completes one circle in 40 seconds. The diameter of the circular path is 10m calculate speed in kilometre per hour
Answers
Answered by
0
RADIUS= 10/2 = 5M
distance covered in one circle = Circumference =2πr
= 2 X 22 X 5/7
Speed = distance/ time
= (2X22X5)/(7X40)
= 77/2 m/s
= (77X60X60)/(2X1000)= 138.6 km/h
distance covered in one circle = Circumference =2πr
= 2 X 22 X 5/7
Speed = distance/ time
= (2X22X5)/(7X40)
= 77/2 m/s
= (77X60X60)/(2X1000)= 138.6 km/h
Similar questions