Question

10. A cross-country skier moves from location A to location B to location C to location D. Each leg of the back-and-forth motion takes 1 minute to complete; the total time is 3 minutes. (The unit is meters.) a. What is the distance traveled by the skier during the three minutes of recreation

Answer 1

Complete question

10. A cross -country skier moves from location A to location B to location C to location D . Each leg of the back -and-forth motion takes 1 minute to complete ; the total time is 3 minutes . (The unit is meters .) West East t 0min t=2min t=3min t=1min 20 60 100 120 100 160 a. What is the distance traveled by the skier during the three minutes of recreation

Answer:

`p=360m`

Explanation:

From the question question we are told that

Location A => t=0 => 0

Location C => t=2 => 40

Location D => t=3 => 120

Location B => t=1 => 160

Total time 3min

Generally,the the total distance is given by
`bet^n t=0 - t=3`

`p= |x_1 - x_0|+|x_2-x_1|+|x_3-x_2|`

`p=|160-0|+|40-160|+|120-40|`

Therefore

`p=160+120 +80`

`p=360m`