1. The Figure below gives the velocity component vas a function of time for a particle moving in rectilinear motion along an axis. It is part of a sine curve. Point 1 has the maximum value on the curve; point 4 has the minimum value; and points 2 and 6 have the same value. a) What is the direction of travel at time t= 0?
b) What is the direction of travel at point 4?
c) At which of the numbered points does the particle reverse its direction of travel?
d) Rank the six points according to the magnitude of the acceleration, greatest first.