30 A projectile is thrown with an initial velocity a b ms

Last updated: 6/9/2023

30 A projectile is thrown with an initial velocity a b ms where and are the unit vecto along horizontal and vertical directions respectively If the range of projectile is twice the maximum height reached by it then a b 2 b b a c b 2a d b 4a 31 A uniform wire of length 20 m and weighing 5 kg hangs vertic