Luz, who is skydiving, is traveling at terminal velocity when she changes position by going headfirst toward the ground. What ha ppens to her motion?
2 answers:
Answer: C. She will speed up because air resistance will decrease and be less than gravity.
Explanation:
The reason is because her mass and her weight are stronger than the air resistance which makes gravity pull her down.
Answer:
The velocity would increase as the surface area decreases
Explanation:
The force on a person falling is given by
where,
A = Surface are
C = Drag coefficient
v = Terminal velocity
F = Drag force
It can be seen that the terminal velocity of a body is inversely proportional to the surface area.
Hence, the velocity would increase as the surface area decreases.
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