Q 31 :

A projectile is thrown upward at an angle 60° with the horizontal. The speed of the projectile is 20 m/s when its direction of motion is 45° with the horizontal. The initial speed of the projectile is ________ m/s.                   [2026]

  • 40

     

  • 203

     

  • 202

     

  • 402

     

(3)