Answer to Question #321120 in Physics for 3rdie__

Question

2.A boy rolls a ball on the table that is 0.85m high.If the boy hits the ball at 4m/s.How far the ball will travel from the base point of the table?

Answer 1

$$L=v_0\sqrt{2H/g}\\ =4*\sqrt{2*0.85/9.8}=1.7\:\rm m$$