Hey there mate ;),
Option X= -16 is the answer. Solution attached as picture. Please check.
<em>Answered </em><em>by </em><em>Benjemin</em>
Answer:
6, 3
Step-by-step explanation:
Answer:
The answer is 10.5 in decimal form
At the time the cannonball reaches the ground, the vertical height of the cannonball from the ground is 0, i.e. h = 0.
Thus, the time it will take the cannonball to reach the ground is given by

Therefore, it will take the cannonball 8 seconds to reach the ground.
The answer to this question is 8.3