Hi there!
We can use the kinematic equation:

vf = Final velocity (? m/s)
vi = initial velocity (0 m/s, dropped from rest)
a = acceleration (due to gravity, 9.8 m/s²)
d = distance (9.8 m)
Simplify the equation to solve for vf:

Substitute in the given values:

Answer:
The ball has kinetic energy
the kinetic energy is 945 J
Explanation:
Answer: A
Explanation:
Germanium, is atomic number 32, and if you add a proton, Germanium converts to arsenic. arsenic is very poisonous.