A cricketer hits a ball from the ground level with a velocity vo→ = (20i^ + 10j^ ) m/sec. Find the velocity of the ball at t = 1 sec, from the instant of projection (g = 10 m/sec2 ).

A cricketer hits a ball from the ground level with a velocity vo = (20i^ + 10j^ ) m/sec. Find the velocity of the ball at t = 1 sec, from the instant of projection (g = 10 m/sec2 ).

[ Ans: 20i^  ]