Question

Xander was traveling at a final velocity of 4.5 m/s for 3.5 seconds. Finley was traveling at a final velocity of 3.6 m/s for 4.2 seconds. Max was traveling at a final velocity of 7.3 m/s for 1.2 seconds. They all started at the same location from rest. Which lists them from least to most acceleration?

Answer 1

Answer: Finley, Xander, Max

Step-by-step explanation:

The acceleration of each runner is given by:

`a=(v-u)/(t)`

where

v is the final velocity

u is the initial velocity

t is the time taken

- Xander: his acceleration is
`a=(4.5 m/s-0)/(3.5 s)=1.29 m/s^2`

- Finley: his acceleration is
`a=(3.6 m/s-0)/(4.2 s)=0.86 m/s^2`

- Max: his acceleration is
`a=(7.3 m/s-0)/(1.2 s)=6.08 m/s^2`

So, in order from least to most acceleration:

Finley, Xander, Max