There are 6 combos that he can use
Answer:1.32 s
Step-by-step explanation:
Given
The initial height of ball H=2 m
Initial velocity u=5 m/s
Height of ball at any instant is given by

The ball will hit the ground when h=0

In step one, you are supposed to add 25 to both sides, because if you just subtract, it would be -5x-50=53
Answer:
C
Step-by-step explanation:
Educated guess
B is the correct answer not totally sure tho hope this helps