ahmed throws a ball to john. The ball travels 10m in x m/s.
a) write an expression in terms of x for the time taken for the ball to reach john
john throws the ball to pierre over a distanxce of 15m in 0.5 m/s less than the timw taken for the ball to reach john from ahmed.
b) write an expression in terms of x for the time taken for the ball to go from john to pierre.
the time taken between john catching the ball and then throwing it to pierre is 2 seconds . the total time taken from ahmed to pierre in 7 seconds. write an equation to show that it simplifies to 2x^2-9x-2=0