A bicyclist is finishing his repair of a flat tire when a friend rides by with a constant speed of 3.1 m/s . Two seconds later the bicyclist hops on his bike and accelerates at 2.4 m/s2 until he catches his friend.
a) How much time does it take until he catches his friend (after his friend passes him)?
A bicyclist is finishing his repair of a flat tire when a friend rides by with...