1. 2 C2H6 + 7 O2 = 6 H2O + 4 CO2
length of the grilling machine is 1.2 m
time taken to cook the burger is 2.7 min = 162 s
so the speed of the machine should be like this that if must have to cook till it cross the machine



now in one minute the total length of the machine that is covered is given by


now distance between the burgers is 15 cm
so total production rate will be

so it will produce 3 burger per minute
If a ball is if a ball is dropped from a 576ft building it would take about 8 seconds for it to hit the ground.
The measurement of the expansion of the universe was what gave rise to the big bang theory and it's predictions.