physics # 1
posted by gomez .
1. If a particle moves in a plane so that its position is described by the function x = Acosùt, and y = Asinùt, it is
a.) moving with varying speed along a circle
b.) moving with constant speed along a circle
c.) moving with constant acceleration along a straight line
d.) moving along a parabola
e.) oscillating back and forth along a straight line