Answer:
Force exerted by the air on the propellers = 46000 - 9200
= 36800 N
Hope this helps!
By collapsing and crumpling, the force and energy is absorbed by the crumple zone and it is not transferred to the passengers inside. This is a safety feature for the passengers.
Two terminal device which can maintain a fixed voltage. Hope this help I need more detail in your question this is all I can provide. :)
