The speed of the tip of a second hand of length 5 cm of a clock is _________ m/s.

Sydney Shaffer

Sydney Shaffer

Answered question

2023-03-08

The speed of the tip of a second hand of length 5 cm of a clock is _________ m/s.

Answer & Explanation

Centarxwm

Centarxwm

Beginner2023-03-09Added 5 answers

Step 1. Calculating the clock's circumference
Circumference of the clock = 2 π r = 2 × 22 7 × 5 = 31.41 c m
(when the radius is 5 cm)
It has to cover the circumference in 60 seconds.
Step 2 . Calculating speed of second hand
Hence speed = ( D i s t a n c e T i m e ) = 31.41 60 = 0.52 c m / s = 0.0052 m / s .

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