I REALLY NEED HELP NOW!!
Calculate the AVERAGE SPEED of 400m in 80 seconds.

a. .2 m/s
b. 5 m/s
c. 32000 m/s
d. you need to use your calculator d/t = average speed

Respuesta :

Answer:

B. 5 m/s

Step-by-step explanation:

Formula for constant velocity

[tex]v=\frac{\Delta x}{\Delta t}[/tex]

plug in the values you have:

[tex]v = \frac{400}{80} = 5\frac{m}{s}[/tex]

so B. 5 m/s