An object travels at a constant speed $|\vec{v}|$ exactly once around a circle of radius $r$. The magnitude of the object's average acceleration is:
A) $|\vec{v}|^{2} / r$
B) Zero
C) Something else (specify)

Question

An object travels at a constant speed $|\vec{v}|$ exactly once around a circle of radius $r$. The magnitude of the object's average acceleration is:
A) $|\vec{v}|^{2} / r$ 
B) Zero 
C) Something else (specify)

Quizplus · Accepted Answer

The Answer of An object travels at a constant speed $|\vec{v}|$ exactly once around a circle of radius $r$. The magnitude of the object's average acceleration is:
A) $|\vec{v}|^{2} / r$ 
B) Zero 
C) Something else (specify)

An Object Travels at a Constant Speed ∣v⃗∣|\vec{v}|∣v∣ Exactly Once Around a Circle of Radius

An Object Travels at a Constant Speed $|\vec{v}|$ Exactly Once Around a Circle of Radius