Newton's first law of motion is that an object in motion will tend to stay in motion unless an external force acts upon it.
Self productive and it depends on how whom is behaving.
Answer:
Metal is cold because it is a good conductor. A conductor carries heat away from and object. Heat flows from your hand into the metal and then is conducted rapidly away into the bulk of the metal, leaving the metal surface and your skin surface relatively cool.
Explanation:
You are welcome.
Answer:

Explanation:
The maximum speed of the block occurs when spring has no deformation, that is, there is no elastic potential energy, which can be remarked from appropriate application of the Principle of Energy Conservation:


