Average speed = distance traveled / time 
average speed  = (126.5 m * 3.5 laps) / (4.17 min) 
= 106.2 m/min
        
             
        
        
        
The answer is to this question is B
        
             
        
        
        
Answer:
<h3>The answer is 2.51 s</h3>
Explanation:
The time taken can be found by using the formula

d is the distance
v is the velocity
From the question we have

We have the final answer as
<h3>2.51 s</h3>
Hope this helps you
 
        
             
        
        
        
A big part of the reason that mirrors are seldom if ever used to generate 
electricity is the simple fact that there is no way to generate electricity using 
mirrors.  They are as useless for the purpose as smoke is, although there are 
those who have used both items simultaneously to create the impression that 
they have succeeded in that attempt.