I think the number 2, not sure
Because water puts less weight on the joints helping prevent more pain and potentially problems
Also if you could give me Brainily that would be amazing
Answer:

Explanation:
Let the hails are coming down with speed "v" and then rebound with the same speed in opposite direction
So here the change in the momentum of the hails is given as


now we know by Newton's 2nd Law

here we have

now plug in all data


Answer:true
Explanation:
Displacement is the vector representation of a change in position. It is path independent and is equivalent to the straight line distance between the start and end locations. Distance is a scalar quantity that reflects the path traveled.