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
Answer:
The second one a part of it heats up Earth's land and water equally.
Explanation:
Hope this help!!!
Sound waves need different media in order to travel. This travels by the movement of the atom transferred to another up to its destination. The speed of sound is greatest in solids since the molecules of solid are closely packed together, followed by liquid and they are slowest in gases.