Question

The trip of second hand of a clock takes 60 seconds to move once on the circular dial of the clock . If radius of the dial be10.5 cm, calculate the speed of the trip of the second hand of the cl
ock

Answer 1

Answer:

0.01 m/s

Explanation:

speed = distance / time

distance = circumference = 2¶r = 2 x 0.105 x ¶        (10.5 cm = 0.105 m)

                         = 0.66 m

speed = 0.66/ 60

          = 0.01m/s