Traumatic brain injury. According to a report on traumatic brain injury, the force that a professional boxer's fist exerts on hi
s opponent's head is equivalent to being hit with a 5.9 kg bowling ball traveling at 8.9 m/s that stops in 0.018 s.
Determine the average force that the fist exerts on the head.
Determine the average force that the fist exerts on the head.
1 answer:
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Answer:
23.52092 J
Explanation:
m = Mass of block = 6.79 kg
s = Sliding distance = 2.82 m
= Angle of slide = 20.7°
= Coefficient of kinetic friction = 0.425
g = Acceleration due to gravity = 9.8 m/s²
Work done by the force of gravity is given by
The work done by the force of gravity is 23.52092 J