which formula is used to calculate average velocity?\n$v_{avg}=\frac{x_f - x_i}{t_f - t_i}$\n$v_{avg}=\frac{t…

which formula is used to calculate average velocity?\n$v_{avg}=\frac{x_f - x_i}{t_f - t_i}$\n$v_{avg}=\frac{t_f - t_i}{x_f - x_i}$\n$v_{avg}=d\times t$\n$v_{avg}=\frac{t}{d}$

which formula is used to calculate average velocity?\n$v_{avg}=\frac{x_f - x_i}{t_f - t_i}$\n$v_{avg}=\frac{t_f - t_i}{x_f - x_i}$\n$v_{avg}=d\times t$\n$v_{avg}=\frac{t}{d}$

Answer

Answer:

A. $V_{avg}=\frac{x_f - x_i}{t_f - t_i}$

Explanation:

Step1: Recall average - velocity concept

Average velocity is displacement over time.

Step2: Identify displacement and time

Displacement is $\Delta x=x_f - x_i$ and time - interval is $\Delta t=t_f - t_i$.

Step3: Determine formula

So, $V_{avg}=\frac{\Delta x}{\Delta t}=\frac{x_f - x_i}{t_f - t_i}$.