You drive a car for 2.0 h at 35 km/h, then for another 2.0 h at 64 km/h.
(a) What is your average velocity?
(b) What is your answer if instead you drive 99 km at each of the two speeds?
(a) What is your average velocity?
(b) What is your answer if instead you drive 99 km at each of the two speeds?