Answer:
are u fr brodiii☠☠☠☠☠ sure
Step-by-step explanation:
1. 2, This is my answer because of the sudden drop in the roller coaster, its half way down, so in conclusion this means its 50% kinetic energy , and 50% potential energy.
1. part b or whatever
The reason his speed increases when he goes down is because the height of the roller coaster, and mass takes a big part in it as well.
2. Mass or height.
3. 25%