The small

The small hand of the wall clock is 15 cm long, which is what a long journey the end of the hour hand in 15 minutes will describe. (b - in 2 hours)?

Correct answer:

s₁ =  1.9635 cm
s₂ =  15.708 cm

Step-by-step explanation:

$$\begin{gathered} r=15\text{cm} \\ {o}_1=2\pi \cdot r\cdot \frac{1}{12}=2\cdot 3.1416\cdot 15\cdot \frac{1}{12}\doteq 7.854\text{cm/h} \\ {s}_1=\frac{15}{60}\cdot o_1=\frac{15}{60}\cdot 7.854=1.9635\text{cm} \end{gathered}$$

$s_2=2\cdot o_1=2\cdot 7.854=15.708\text{cm}$

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