The length of the seconds hand in a watch is

PHYSICS · Single correct · CBSE · Physics · Motion · Motion

Problem

1\text{ cm}

. The change in velocity of its tip in

15\text{ s}

is (1) zero (2)

\frac{\pi}{30\sqrt{2}}\text{ cm/s}

(3)

\frac{\pi}{30}\text{ cm/s}

(4)

\frac{\pi\sqrt{2}}{30}\text{ cm/s}