@TutorState:
06:18:58 x1 percent of a total distance: speed v1, and remaining part of a total distance: speed v2. Average speed ? #Physics http://t.co/l6NPRQSghG


01:14:24 4. A ball is dropped from rest from a height h1 above the ground. Another ball is thrown vertically upwards from... http://t.co/ETkLIv9Isu