Answer:
Explanation:
Given
Cannon is fired with a velocity of 
Using Equation of motion

where




after time 



So after 3.3 s cannon ball is at a height of 185.89 m
Explanation:
I want to say option B - Both forces can act without objects touching.
Answer:
i do belive its C
Explanation:
i remeber this question from somewhere also it makes the most sense
The air inside becomes warmer, and that makes it LESS DENSE.
Less-dense air FLOATS in denser air. Since it's inside the balloon, it picks the balloon up when it floats.
It’s either C or D. let me know but I would do C!