A skydiver prepares to jump out of a plane. Explain how gravity and air resistance will affect the motion of the skydiver before and after he or she opens the parachute.

18 answers

force down = m g - drag
so
m g-drag = m a where a is acceleration down
a = g - drag/m
so
at the beginning, with low drag, the acceleration down is about 9.8 m/s^2

as the drag increases, the a goes down until terminal velocity is reached. That is when m g = drag

when you open the chute:
suddenly drag goes way up
if you were moving at terminal velocity, suddenly your drag is much bigger than m g
your acceleration is the negative (upwards), and you slow down
you slow down until you reach a new terminal velocity where m g = new bigger air drag

WOW thanks

Your welcome

C
A
A
C
C
D
A
A
D
B
D
D
D
D
A
B
D
B
B
A
A
C
C
24 do on your own
25 do on your own
Hope this helps I got 100 so good luck for connexus students

fju

Thanks everyone!

Thank you Supergirl!
SHIP OF ALL KIND!
Elsa x Jack

Yeshhhhhh elsa x jack for life

Well done Supergirl

XXDDDDD

supergirl saves us again lol

no you aren't lol

hello broski

sup broski

SHEESH BRO YOU HARSH "no you aren't lol" BROTHA TOOK EVERY SINGLE BIT OF CONFIDINCE THAT KID HAD

Terminology

This is probably the best jiskha chat I’ve ever been in 😂😂😂😂

yeah lol XD