Q14 of 19 Page 191

A wheel of the diameter of 14 cm makes 3000 revolutions per min. Find speed in m/sec.

Given:


Diameter of Wheel = 14 cm




The circumference of circle = 2πr


The Circumference of Circle = 2 × 3.14 × 0.07 = 0.44 m


Distance travelled in 1 min = 3000 × 0.44 = 1320 m




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