Answer:
It conserves both energy and momentum in the collision at the same time. By design, when the balls collide the strings that hold them up are vertical (assuming balls are only swung from one side).
Explanation:
Hope This Helps!!
The answer is A- feeling a !etal wire get warmer as you roast a !arshmallow over a fire
As mass increases kinetic energy also increases; kinetic energy is directly proportional to mass so whatever is done to either affects the other one the same. i hope this helps :)
Divide the distance traveled by the time it took:
(100 m) / (4.2 s) ≈ 23.8 m/s