1.

Observe the second hand of the clock.what about his moves and speed explain in science​

Answer»

Explanation:

To complete one SECOND the arm of second moves360

Angular speed is

60

Hour hand completes 1 rotation 360

in

12hrs

Angular speed is

12×3600

THEREFORE the ratio of angular velocity is given as

60

=

12×3600

HENCE the ratio of the angular speed of hour and seconds is1:720



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