Answer:
D
Explanation:
When the spring is wound, then it gathers potential energy in the form of tension energy. As it slowly unwinds, the potential energy is converted to kinetic energy of the hands' movements of the clock. This energy is channeled through the use of cogs/gears in the clock.
I think to an observer outside the train, the speed of the ball will actually look like more than the speed of the train.
The average distance from the Sun to Neptune is about 2.795 billion miles.
That's roughly 0.00048 of a light year .
Cumulonimbus clouds are at a high level in the sky
<span> Beryllium has an exclusive </span>+2<span> oxidation state in all of its compounds</span>