Answer:
its constant i think
Explanation:
or its stable dunno which term will they be using
Answer:
a. 20 s
b. 0 m/s
c. right
d.no its inelastic because when the car b was at rest and a was coming in at it, since b had no force what so ever car a swept it away with it moving to the right
Explanation:
im not sure though
Answer:

Explanation:
The formula for kinetic energy is:

We can plug in the given values into the equation:


