Answer:
Explanation:
while it is still falling it is turned into kinetic energy. While on the floor it turns onto potential energy. Remember energy cannot be created or the destroyed so the other ones are automatically out.
If the cliff is 850m away, the sound travelled there and back which is 850m * 2 = 1700m
The sound took 5 seconds to travel 1700m, so it's moving at 1700m/5s = 340 m/s
The Nucleus contains Protons and Neutrons.
The Neutrons does not have a charge.
The Protons are positively charge.
Hence the charge on the Nucleus, would be the charge of the proton, which is positive.
Hence Nucleus is Positively Charged.