Question

calculate the velocity for the time interval between 0 and 2 seconds. show your equation, work, and units.

Explanation:

Step1: Identify velocity formula

Velocity $v=\frac{\Delta d}{\Delta t}$, where $\Delta d$ is change in distance and $\Delta t$ is change in time.

Step2: Determine $\Delta d$ and $\Delta t$

At $t = 0$, $d=5$; at $t = 2$, $d = 0$. So $\Delta d=0 - 5=- 5$ (units of distance). $\Delta t=2 - 0 = 2$ (seconds).

Step3: Calculate velocity

$v=\frac{\Delta d}{\Delta t}=\frac{-5}{2}=-2.5$ units of distance per second.

Answer:

$-2.5$ units of distance per second