Question

What is the velocity vector of a stationary particle​

Answer 1

Answer:

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vector. The velocity vector of a stationary body is a zero vector. The acceleration vector of a body in uniform motion is a zero vector.

Answer 2

The velocity vector of a stationary particle​ is zero vector.

Let r(t) denote a differentiable vector valued function that represents a particle's location vector at time t. The velocity vector is thus equal to the position vector's derivative. v(t)=r′(t)=x′(t)ˆi+y′(t)ˆj+z′(t)ˆk