A train car with one seater passenger rolls down a steep hill with acceleration a. The person gets scared, and runs frantically back-and-forth inside the train. what is the magnitude of the acceleration of the center of mass of the train person system while the person runs?

the following is queen elizabeth’s purposes:

- to encourage the parliament that the technique of picking successors to the seat based merely on birthright needs to be reviewed.

- (not) to convince the parliament that her kid should not be measured as a likely choice for heir to the english power.

- to persuade the parliament that merely since she has a child does not assure that the kid will be a capable leader.

- to sway the parliament how shattering it could be if they proceeded discourteously concerning her or her child.

it is b. absorbs thermal energy