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27 Oct 2021

Given information

Step-by-step explanation

Step 1.
We know that :the average speed
   defined as the distance divided by the elapsed time
of the sound equals :
 
Where : 
  sound is the average speed of the the sound.
 
ball is the average speed of the the bowling ball.
 
 is the average distance travelled by the car .
 
 is the total time elapsed .
 
  is the time the bowling ball takes .
Strategy :we know the total time that the bowling ball take to reach the and the sound take to return the person , from givens we know the speed of the sound and the distance travelled so we can calculate the time elapsed in that part subtracting that from the total time to get the time the bowling ball take ,So from time elapsed and the distance we can calculate the velocity of the bowling ball .
from given:
 
plugging the information we get:
 :  
 
We know that the total time :
 
 

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Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

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