A football is kicked with speed ` 20 ms^(-1)` at a projection angle of ` 45^@` from the ground. A receiver on the goal line `20 m` away in the disrection of the kich runs the same instant to meet the ball. What must he his speed, of he is to catch the ball cefore it hits the ground ? Take ` g= 10 ms^(-2)`.

A football is kicked at a speed of 20 m//s a projection angle of 45^(@) . A receiver on the goal line 25 metres away in the direction to the kink runs the same instant to meet the ball. Befrom it hits the ground?

A foot ball is kicked of with an inirial speed of 19.6 m/sec at a projection angle 45^(@) . A receiver on the goal line 67.4 m away in the direction of the kick starts running to meet the ball at that in stant. What must his speed be if he is to catch the ball before it hits the ground?

A foot ball is kicked of with an inirial speed of 19.6 m/sec at a projection angle 45^(@) . A receiver on the goal line 67.4 m away in the direction of the kick starts running to meet the ball at that in stant. What must his speed be if he is to catch the ball before it hits the ground?

A batman hits a cricket ball with a speed of 25 m//s at a projection angle of 45^(@) . A fielder is 30 m away in the direction in which ball is hit . He runs at the same instant to catch the ball . Calculate the speed of fielder if he has to catch the ball before it hits the ground .

A soccer ball is kicked from the ground with an initial speed of 21.3 m/s at an upward angle of 45^(@) . A player 55 m away in the direction of the kick starts running to meet the ball at that instant. What must be his average speed if he is to meet the ball just before it hits the ground?

A foot ball is kicked off with an initial speed of 19.6m//s to have maximum range. Goal keeper standing on the goal line 67.4 m away in the direction of the kick starts running opposite to the direction of kick to meet the ball at that instant. What must his speed be if he is to catch the ball before it hits the ground?