LIST-I (Characteristic, feature) | LIST-II (Family) |
---|---|
A. Monoadelphous stamen | I. Malvaceae |
B. Cremocarp | III. Apiaceae |
C. Gynobasic style | II. Lamiaceae |
D. Capitulum | IV. Asteraceae |
A bob of heavy mass \(m\) is suspended by a light string of length \(l\). The bob is given a horizontal velocity \(v_0\) as shown in figure. If the string gets slack at some point P making an angle \( \theta \) from the horizontal, the ratio of the speed \(v\) of the bob at point P to its initial speed \(v_0\) is :