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Brilliant_brown [7]
3 years ago
5

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?
Social Studies
2 answers:
user100 [1]3 years ago
7 0

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.

Len [333]3 years ago
5 0

Answer:

The velocity would increase as the surface area decreases

Explanation:

The force on a person falling is given by

F=\dfrac{1}{2}\rho CAv^2\\\Rightarrow v=\sqrt{\dfrac{2F}{\rho CA}}

where,

\rho = Density of air

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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