Which of the following modes is used by technicians to fool the engine into cranking without starting during a cranking sound diagnosis test?
Select one:
a. Fuel shutoff mode
b. Clear flood mode
c. Key on, engine off mode
d. Stoichiometric mode

Consider two less-than-desirable options. in the first you are driving 30 mph and crash head-on into an identical car also going 30 mph. in the second option you are driving 30 mph and crash head-on into a stationary brick wall. in neither case does your car bounce off the thing it hits, and the collision time is the same in both cases. which of these two situations would result in the greatest impact force?