Answer to Question #241142 in Physics for hassan ihtisham

Question

Instantaneous velocity for a displacement function d(t)=2-2t at any time is
given by
A. -2t
B. 2t
D.-2

Answer 1

Instantaneous velocity for a displacement function d(t)=2-2t at any time is

$$v(t)=[d(t)]'=-2\text{ m/s}.$$