The number of protons in an atom identifies the Atomic Number
Hope it helps!
A kevlar is a synthetic fiber of high tensile strength used especially as a reinforcing agent in the manufacture of tires and other rubber products, in addition to protective gear. ex ( helmets, vests )
Part 1)
here we know that supply took 10 s to reach the ground
so here we will have




Part 2)
Here all the supply covered horizontal distance of 650 m in 10 s interval of time
so here we can say



Newtons third law (inertia) is to blame