It could be the third and the first one.
It creates friction on the forward moving object, causing it to loose momentum, until finally, it stops.
Hope this helps!
Explanation:
C . frequency
is the correct answer I think .
Answer:
An object has potential energy (stored energy) when it is not in motion. Once a force has been applied or it begins to move the potential energy changes to kinetic energy (energy of motion).
EXAMPLE: A rock sitting on the edge of a cliff. If the rock falls, the potential energy will be converted to kinetic energy, as the rock will be moving. A stretched elastic string in a longbow.
Answer:
SURE!!!...
But what to calculate!!!....