► 25% Part (a) Enter an expression for the skydiver's average speed, v₁, during the period before opening the chute in terms of the given quantities. V1= 54.71 Grade Summary Deductions Potential α d g j t Submit В d₁ h m t₁ Hint 0 d₂ i P t2 (7 8 9 HOME TAAL 4 5 6 * 12 3 + 0 VO BACKSPACE DEL Feedback END CLEAR I give up! Feedback: 0% deduction per feedback. 0% 100% Submissions Attempts remaining: 5 (0% per attempt) detailed view Hints: 1 for a 0% deduction. Hints remaining: 1 -Think about how average speed is related to total distance and total time. A 25% Part (b) Enter an expression for the skydiver's average speed, v₂, during the period after opening the chute in terms of the given quantities. 25% Part (c) Enter an expression for the skydiver's average speed during the entire fall, va in terms of the given quantities. 25% Part (d) Calculate the skydiver's average speed during the entire fall, v, in meters per second.

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)...
icon
Related questions
Question

I need help with this questions. I stuck with them I  dont understand them. 

Class Management | Help
HW 3 Begin Date: 9/30/2021 12:01:00 AM -- Due Date: 10/22/2021 11:59:00 PM End Date: 12/16/2021 11:59:00 PM
(3%) Problem 2: A skydiver falls d = 465 meters in t = 8.5 s before opening his parachute.
After the chute opens, he falls an additional d, = 765 meters in tɔ = 127 s. See the figure.
y
©theexpertta.com
D A 25% Part (a) Enter an expression for the skydiver's average speed, v1, during the period before opening the chute in terms of the given quantities.
V1 = 54.71|
Grade Summary
0%
Deductions
Potential
100%
a
7
8
НОМЕ
Submissions
Attempts remaining: 5
(0% per attempt)
detailed view
d
d1
d2
4
5
g
h
i
1| 2
3
j
P
END
+
-
t
t1
t2
VOL BACKSPАСЕ
CLEAR
DEL
Submit
Hint
Feedback
I give up!
Hints: 1 for a 0% deduction. Hints remaining: 1
Feedback: 0% deduction per feedback.
-Think about how average speed is related to total distance and total time.
I A 25% Part (b) Enter an expression for the skydiver's average speed, v2, during the period after opening the chute in terms of the given quantities.
- A 25% Part (c) Enter an expression for the skydiver's average speed during the entire fall, va in terms of the given quantities.
I A 25% Part (d) Calculate the skydiver's average speed during the entire fall, v, in meters per second.
Transcribed Image Text:Class Management | Help HW 3 Begin Date: 9/30/2021 12:01:00 AM -- Due Date: 10/22/2021 11:59:00 PM End Date: 12/16/2021 11:59:00 PM (3%) Problem 2: A skydiver falls d = 465 meters in t = 8.5 s before opening his parachute. After the chute opens, he falls an additional d, = 765 meters in tɔ = 127 s. See the figure. y ©theexpertta.com D A 25% Part (a) Enter an expression for the skydiver's average speed, v1, during the period before opening the chute in terms of the given quantities. V1 = 54.71| Grade Summary 0% Deductions Potential 100% a 7 8 НОМЕ Submissions Attempts remaining: 5 (0% per attempt) detailed view d d1 d2 4 5 g h i 1| 2 3 j P END + - t t1 t2 VOL BACKSPАСЕ CLEAR DEL Submit Hint Feedback I give up! Hints: 1 for a 0% deduction. Hints remaining: 1 Feedback: 0% deduction per feedback. -Think about how average speed is related to total distance and total time. I A 25% Part (b) Enter an expression for the skydiver's average speed, v2, during the period after opening the chute in terms of the given quantities. - A 25% Part (c) Enter an expression for the skydiver's average speed during the entire fall, va in terms of the given quantities. I A 25% Part (d) Calculate the skydiver's average speed during the entire fall, v, in meters per second.
Class Management | Help
HW 3 Begin Date: 9/30/2021 12:01:00 AM -- Due Date: 10/22/2021 11:59:00 PM End Date: 12/16/2021 11:59:00 PM
(3%) Problem 4: A student drove to the university from her home and noted that the odometer reading of her car increased by 19.1 km. The trip took 20.4
min.
> 8 33% Part (a) What was her average speed, in meters per second?
Grade Summary
Save =
Deductions
0%
Potential
100%
sin()
cos()
tan()
8
9
НОМЕ
Submissions
Attempts remaining: 4
(0% per attempt)
detailed view
cotan()
asin()
acos()
E
AA 4
atan()
acotan()
sinh()
2
3
1
0%
cosh()
O Degrees O Radians
tanh()
cotanh()
• END
-
VO BACKSPACE
CLEAR
Submit
Hint
Feedback
I give up!
Hints: 0% deduction per hint. Hints remaining: 2
Feedback: 0% deduction per feedback.
E A 33% Part (b) If the straight-line distance from her home to the university is 10.5 km in a direction 25° south of east, what was the magnitude of her
average velocity in meters per second?
I A 33% Part (c) If she drove back home using the same path she took out to the university and arrives 7.3 h after she first left home, what was her average
speed for the entire trip, in meters per second?
Transcribed Image Text:Class Management | Help HW 3 Begin Date: 9/30/2021 12:01:00 AM -- Due Date: 10/22/2021 11:59:00 PM End Date: 12/16/2021 11:59:00 PM (3%) Problem 4: A student drove to the university from her home and noted that the odometer reading of her car increased by 19.1 km. The trip took 20.4 min. > 8 33% Part (a) What was her average speed, in meters per second? Grade Summary Save = Deductions 0% Potential 100% sin() cos() tan() 8 9 НОМЕ Submissions Attempts remaining: 4 (0% per attempt) detailed view cotan() asin() acos() E AA 4 atan() acotan() sinh() 2 3 1 0% cosh() O Degrees O Radians tanh() cotanh() • END - VO BACKSPACE CLEAR Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 2 Feedback: 0% deduction per feedback. E A 33% Part (b) If the straight-line distance from her home to the university is 10.5 km in a direction 25° south of east, what was the magnitude of her average velocity in meters per second? I A 33% Part (c) If she drove back home using the same path she took out to the university and arrives 7.3 h after she first left home, what was her average speed for the entire trip, in meters per second?
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 7 steps with 6 images

Blurred answer
Knowledge Booster
Length contraction and Lorentz equation
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
College Physics
College Physics
Physics
ISBN:
9781305952300
Author:
Raymond A. Serway, Chris Vuille
Publisher:
Cengage Learning
University Physics (14th Edition)
University Physics (14th Edition)
Physics
ISBN:
9780133969290
Author:
Hugh D. Young, Roger A. Freedman
Publisher:
PEARSON
Introduction To Quantum Mechanics
Introduction To Quantum Mechanics
Physics
ISBN:
9781107189638
Author:
Griffiths, David J., Schroeter, Darrell F.
Publisher:
Cambridge University Press
Physics for Scientists and Engineers
Physics for Scientists and Engineers
Physics
ISBN:
9781337553278
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning
Lecture- Tutorials for Introductory Astronomy
Lecture- Tutorials for Introductory Astronomy
Physics
ISBN:
9780321820464
Author:
Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher:
Addison-Wesley
College Physics: A Strategic Approach (4th Editio…
College Physics: A Strategic Approach (4th Editio…
Physics
ISBN:
9780134609034
Author:
Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:
PEARSON