. Challenge Problem: Pepper Potts is dropped from a helicopter! Iron Man is standing on top of a building level with but a distance L horizontally from the helicopter. He leaps off of the building 3 s after Pepper Potts is dropped and catches her after she has fallen straight down Arp. Between jumping off the building and catching Pepper he undergoes free fall - he doesn't turn on his rocket boosters until after he has caught her. 1 2 a. Draw a picture of this situation. On top of your picture draw the first kinematic equation for Pepper: Arp = voptp + at3. (Hint: What is Pepper's initial velocity?) Then, in another color, draw the first kinematic equation for Iron Man: Ari = voiti +at?. b. What is the time it takes from when Pepper is initially dropped to when she is caught, tp, in terms of the distance she falls and her acceleration? What is the time it takes for Iron Man to catch Pepper, t₁, in terms of Pepper's time? c. What is Iron Man's initial velocity that he needs to catch Pepper in terms of L, Arp, and the time it takes Iron Man to catch her after he leaps of the building, ti? State your answer in magnitude and direction form. (Hint: Use your picture and trigonometry to find the equation.) d. Draw out the second kinematic equation for Iron Man. Use this to find Iron Man's final velocity when he catches Pepper? e. What is Pepper's final velocity when she is caught? (Hint: What does Pepper's 2nd Kinematic Equation look like?)
. Challenge Problem: Pepper Potts is dropped from a helicopter! Iron Man is standing on top of a building level with but a distance L horizontally from the helicopter. He leaps off of the building 3 s after Pepper Potts is dropped and catches her after she has fallen straight down Arp. Between jumping off the building and catching Pepper he undergoes free fall - he doesn't turn on his rocket boosters until after he has caught her. 1 2 a. Draw a picture of this situation. On top of your picture draw the first kinematic equation for Pepper: Arp = voptp + at3. (Hint: What is Pepper's initial velocity?) Then, in another color, draw the first kinematic equation for Iron Man: Ari = voiti +at?. b. What is the time it takes from when Pepper is initially dropped to when she is caught, tp, in terms of the distance she falls and her acceleration? What is the time it takes for Iron Man to catch Pepper, t₁, in terms of Pepper's time? c. What is Iron Man's initial velocity that he needs to catch Pepper in terms of L, Arp, and the time it takes Iron Man to catch her after he leaps of the building, ti? State your answer in magnitude and direction form. (Hint: Use your picture and trigonometry to find the equation.) d. Draw out the second kinematic equation for Iron Man. Use this to find Iron Man's final velocity when he catches Pepper? e. What is Pepper's final velocity when she is caught? (Hint: What does Pepper's 2nd Kinematic Equation look like?)
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:13. Challenge Problem: Pepper Potts is dropped from a helicopter! Iron Man is standing on
top of a building level with but a distance L horizontally from the helicopter. He leaps
off of the building 3 s after Pepper Potts is dropped and catches her after she has fallen
straight down Arp. Between jumping off the building and catching Pepper he undergoes
free fall- he doesn't turn on his rocket boosters until after he has caught her.
a. Draw a picture of this situation. On top of your picture draw the first kinematic
equation for Pepper: Arp = Voptp + at. (Hint: What is Pepper's initial
2
bal
velocity?) Then, in another color, draw the first kinematic equation for Iron Man:
1
Ari = voiti += at?.
-
2
b. What is the time it takes from when Pepper is initially dropped to when she is
MOTER
caught, tp, in terms of the distance she falls and her acceleration? What is the
time it takes for Iron Man to catch Pepper, t₁, in terms of Pepper's time?
c. What is Iron Man's initial velocity that he needs to catch Pepper in terms of L,
Arp, and the time it takes Iron Man to catch her after he leaps of the building, ti?
State your answer in magnitude and direction form. (Hint: Use your picture and
vile trigonometry to find the equation.)
-
Brad. Draw out the second kinematic equation for Iron Man. Use this to find Iron
Man's final velocity when he catches Pepper?
e. What is Pepper's final velocity when she is caught? (Hint: What does Pepper's 2nd
Kinematic Equation look like?)
f. After you solve for things symbolically above, plug in numbers. L=12 m,
Arp=300m Do you think Pepper will be hurt after this encounter?
Solve for:
tp, ti, voi, oi, Vfi, Ofi, Vfp
2 U sdr lo
H
ti
Expert Solution
Step 1: Determine the given variables
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