A roller coaster needs more kinetic energy to reach the top of a tall Hill what are two ways that the engineer can increase the amount of kinetic energy the roller coaster has

Explanation:

So a roller coaster the best way is to start at the top of a hill so that the coaster has enough energy to go up the next hill

atomic = no of protons.

mass number-atomic number = neutron number

you cant move and you feel like someones pushing you down onto your bed it can feel like you want to get up but you just can't it can be extremely scary