A particular race car can cover a quarter-mile track(402 m) in 6.40 s starting from a standstill. Assuming theacceleration is constant, how many gs does the driverexperience? If the combined mass of the driver and race car is535 kg, what horizontal force must the road exert on the tires?

*Centrifugal Force only present in noninertial reference frames* *Kinetic Friction implies “sliding” not rolling or walking, these involve static friction v 2 EQUATION μ s rg *only or pecific situations hen the static frict he centripetal acceleration* Circular Motion Problems Draw f ree body diagram What f orce is point oward the center F a v2 = ω r net c r Nonuniform Circular M otion Changing tangential velocity dω Angular acceleration α = dt Tangential cceleration at= rα v = rω