Question

determine the speed of the tip of the minute hand of length 20 CM for wall clock​

Answer 1

Answer:

$2\pi \times r \\ 2 \times 3.14 \times 20 = 40 \times 3.14 \\ 125.6cm^{2}$

Explanation:

125.6 is divided by 60 and the answer is 0.02 to metre per second