The Raptor is an outside loop roller coaster in which riders are belted into seats resembl...

The Raptor is an outside loop roller coaster in which riders are belted into seats resembling ski-lift chairs. If the cars travel at v0 = 4 m/s when they are at the top of the hill, determine their speed when they are at the top of the loop and the reaction of the 70-kg passenger on his seat at this instant. The car has a mass of 50 kg. Take h = 12 m, ρ = 5 m. Neglect friction and the size of the car and passenger.