Suppose the object in Figure 11.8 is in accelerated circular motion, so that (left|vec{v}_{mathrm{f}} ight|>left|vec{v}_{mathrm{i}} ight|). In which direction does the object's average acceleration point?

Suppose the object in Figure 11.8 is in accelerated circular motion, so that \(\left|\vec{v}_{\mathrm{f}}\right|>\left|\vec{v}_{\mathrm{i}}\right|\). In which direction does the object's average acceleration point?

Figure 11.8 Average and instantaneous acceleration of an object in circular motion at constant speed. (a) (b) Puck accelerates because its To find puck's average acceleration: velocity changes direction. 0 7 Shaded triangles are similar. a has same direction as change in velocity.. A - 15 - av (c) As time interval approaches zero, average acceleration approaches instantaneous acceleration. Instantaneous acceleration is perpendicular to v