CALCULATE THE SPEED OF THE TIP SECOND'S HAND OF A WATCH OF LENGTH 1.5 cm.
Asked by PAWAN KUMAR | 8th Jun, 2013, 02:18: PM
Expert Answer:
The second hand traces its path around the clock once in 1 min. The distance travelled by the tip of the hand in this time is 2 x pi x 1.5cm.
The speed is then 3pi cm/min, which is 1.57 x 10-3 ms-1.
The speed is then 3pi cm/min, which is 1.57 x 10-3 ms-1.
Answered by | 9th Jun, 2013, 06:38: AM
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