The linear speed of the tip of second arm of a clock is v. The magnitude of change in its velocity in 30 second is ......

The linear speed of the tip of second arm of a clock is v. The magnitu

1.	The linear speed of the tip of second arm of a clock is v. The magnitude of change in its velocity in 30 second is ......
Answer» 2 v `(v)/(sqrt2)` `SQRT2V` zero Solution :Change in VELOCITY `Delta v = v _(2) - (-v _(1)) = v + v = 2v`