Two children who are bored while waiting for their flight at the airport decide to race from one end of the 20-m-long moving sidewalk to the other and back. phillippe runs on the sidewalk at 2.0 m/s (relative to the sidewalk). renee runs on the floor at 2.0 m/s. the sidewalk moves at 1.5 m/s relative to the floor. both make the turn instantly with no loss of speed. a. who wins the race

Renee will win the race

Explanation:

Total time of motion for Phillippe is given as

now we have

now for Renee we have

so here we can see that

so Renee will win the race

dopamine..

"it was found that some people who were taking the drug l-dopa to raise their levels of dopamine were developing schizophrenic-like symptoms supporting research a strength of the dopamine hypothesis is that there are many studies which have shown support for the neurochemical explanation."