2) Shane and Kellan have a bet about who get to the movie theater fastest. Unfortunately, Shane got stuck at the first light. Kellan
ended up 1.6 km ahead on the freeway. Kellan is traveling at 80 km/hr and Shane travels at 100 km/hr. When will Shane overtake
Kellan?

A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.