The mass of a roller-coaster car, including its passengers, is
500kg. Its speed at the bottom of the track in above figure is
19m/s. The radius of this section of the track is
r1=25m. Find the force that a seat in the roller-coaster car exerts on a
50kg passenger at the lowest point.
![1860705_099eb7f638f94e988915a4788fc880f6.png](https://search-static.byjusweb.com/question-images/toppr_invalid/questions/1860705_099eb7f638f94e988915a4788fc880f6.png)