Chapter 0.3, Problem 26E

(a)

To determine

To find : the total time of the world record

Answer to Problem 26E

  $210.68\text{ seconds}$

Explanation of Solution

Given information :

A record time for the $400$ meter medley relay was set by the four swimmers shown in below graph with the times for each leg that they swam

  

Concept used:

Total time $=$ Add the time by all the swimmers

Calculation:

Aaron Peirsol takes $53.45$ second

Brendan Hansen takes $59.37$ second

Ian Crocker takes $50.28$ second

Jason Lezak takes $47.28$ second

So, the total time is given by

  $\begin{array}{l}=53.45+59.37+50.28+47.28\\ =210.68\text{ second}\end{array}$

(b)

To determine

To find : how much faster did Jason Lezak swim his leg than Aaron Peirsol

Answer to Problem 26E

  $5.87\text{ seconds}$

Explanation of Solution

Given information :

A record time for the $400$ meter medley relay was set by the four swimmers shown in below graph with the times for each leg that they swam

  

Concept used:

Total time $=$ Add the time by all the swimmers

Calculation:

Aaron Peirsol takes $53.45$ second

Jason Lezak takes $47.28$ second

  $\begin{array}{l}53.45-47.28\\ =5.87\text{ seconds}\end{array}$

Jason Lezak swim $5.87\text{ seconds}$ his leg than Aaron Peirsol

(b)

To determine

To find : how much faster did Jason Lezak swim his leg than Aaron Peirsol

Answer to Problem 26E

  $5.87\text{ seconds}$

Explanation of Solution

Given information :

A record time for the $400$ meter medley relay was set by the four swimmers shown in below graph with the times for each leg that they swam

  

Concept used:

Total time $=$ Add the time by all the swimmers

Calculation:

Aaron Peirsol takes $53.45$ second

Jason Lezak takes $47.28$ second

  $\begin{array}{l}53.45-47.28\\ =5.87\text{ seconds}\end{array}$

Jason Lezak swim $5.87\text{ seconds}$ his leg than Aaron Peirsol