Answer: More kinetic energy
Explanation:
Potential energy is an energy gained while at rest. While kinetic energy is energy gained while in motion. When the ball is moving from the beginning- halfway-end, it gained kinetic energy while potential energy was zero. While when at rest before and after motion took place, the potential energy was at its peak.
Answer:
The wood
Explanation:
The block of wood shall float in the water while the iron key would sink due to the weight.
Answer:
Here's what I find.
Explanation:
Many scientists contributed to our model of the atom.
Among those who received the Nobel Prize for their work are:
1906 — J.J. Thomson — discovery of the electron
1908 — Ernest Rutherford — nuclear model of the atom
1922 — Niels Bohr — planetary model of the atom
1922 — Albert Einstein — quantum mechanical model of the atom
1935 — James Chadwick — discovery of the neutron
Answer:
Ca: 1
Cl: 2
Explanation:
Since there is no subscript but there is the element, its assumed that there is at least 1, otherwise it would'nt be there
