at 2.5 seconds, the helicopter has a kinetic energy of 20 j. what is the mechanical energy at that time
Read the “Fire-Related Firefighter Injuries Reported to the National Fire Incident Reporting System (2018-2020)” report for an idea on the types of unsafe acts that lead to firefighter injuries. You
Read the “Fire-Related Firefighter Injuries Reported to the National Fire Incident Reporting System (2018-2020)” report for an idea on the types of unsafe acts that lead to firefighter injuries. You do not have to use what you find in that report, you can use anything that you identify as an unsafe act