Answer:
[tex]Rate = 1.71 burger/min[/tex]
Explanation:
Length of the conveyor belt is given as
[tex]L = 1.2 m[/tex]
time taken to cook one burger is given as
[tex]t = 2.8 min = 168 s[/tex]
now we can find the speed of the belt as
[tex]v = \frac{distance}{speed}[/tex]
[tex]v = \frac{1.2}{168}[/tex]
[tex]v = 7.14 \times 10^{-3} m/s[/tex]
Now we know that the distance between two burgers is given as 25 cm
[tex]d = 0.25 m/burger[/tex]
now the production rate of burgers is given as
[tex]Rate = \frac{v}{d}[/tex]
[tex]Rate = \frac{7.14 \times 10^{-3} m/s}{0.25 m/burger}[/tex]
[tex]Rate = 0.0286\frac{burger}{sec}[/tex]
[tex]Rate = 0.0286\times 60\frac{burger}{min}[/tex]
[tex]Rate = 1.71 burger/min[/tex]