How much force is needed to accelerate a. 15 kg mass at 20 m/s2.

An object starts from rest at point f and speeds up continuously as it moves around an oval. a. choose a point about 1/8 th of the way around the oval from point f, and label it point g. draw a vector to represent the velocity of the object at point g. b. determine the change in velocity vector   between points f and g.

Anybody wanna ? (picture included? )

Which type of basaltic lava flow has a fairly smooth