1. Boxing gloves are padded to lessen the force of a blow. The glove and face compress 7.5000 cm during a blow in which the 7.0000-kg arm and glove are brought to rest from an initial speed of 10.0000 m/s. Think & Prepare 1. Make note of what's given and what's unknown. Relate known quantities to symbols. 2. Draw a labeled sketch if possible. 3. Identify the physics principle and approach. Write down relevant equations symbolically. Simplify if possible. 4. Insert numerical quantities to solve for unknowns. 5. Does the answer make sense? (a) Calculate the change in kinetic energy of the glove and arm. AKE= (b) Where does this energy go? J O into doing work against the force exerted by the face against the glove O into doing work against gravity O into the potential energy of the face O into the potential energy of the glove and arm

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
Topic Video
Question
1. Boxing gloves are padded to lessen the force of a blow. The glove and face compress 7.5000 cm
during a blow in which the 7.0000-kg arm and glove are brought to rest from an initial speed of
10.0000 m/s.
▬▬
-
Think & Prepare
1. Make note of what's given and what's unknown. Relate known quantities to symbols.
2. Draw a labeled sketch if possible.
3. Identify the physics principle and approach. Write down relevant equations symbolically. Simplify if
possible.
4. Insert numerical quantities to solve for unknowns.
5. Does the answer make sense?
%
(a) Calculate the change in kinetic energy of the glove and arm.
AKE =
(b) Where does this energy go?
O Search
5
O into doing work against the force exerted by the face against the glove
O into doing work against gravity
O into the potential energy of the face
O into the potential energy of the glove and arm
T
4-
6
Y
17 +
&
J
7
90
8
*
8
U I
이
144
(
9
110 DII
O
E
DDI
I
P
2
{
4
(
← backs
Transcribed Image Text:1. Boxing gloves are padded to lessen the force of a blow. The glove and face compress 7.5000 cm during a blow in which the 7.0000-kg arm and glove are brought to rest from an initial speed of 10.0000 m/s. ▬▬ - Think & Prepare 1. Make note of what's given and what's unknown. Relate known quantities to symbols. 2. Draw a labeled sketch if possible. 3. Identify the physics principle and approach. Write down relevant equations symbolically. Simplify if possible. 4. Insert numerical quantities to solve for unknowns. 5. Does the answer make sense? % (a) Calculate the change in kinetic energy of the glove and arm. AKE = (b) Where does this energy go? O Search 5 O into doing work against the force exerted by the face against the glove O into doing work against gravity O into the potential energy of the face O into the potential energy of the glove and arm T 4- 6 Y 17 + & J 7 90 8 * 8 U I 이 144 ( 9 110 DII O E DDI I P 2 { 4 ( ← backs
/handler?action=activityBranding&COURSEID=5110&SECTIONID=293088
O into doing work against gravity
O into the potential energy of the face
O into the potential energy of the glove and arm
4
R
%
(c) Calculate the force exerted on the boxing glove by the opponent's face. Consider the relative
directions of F and d when determining the sign of the force.
F=
N
(d) Calculate the force exerted by the boxing glove on the opponent's face. Consider the relative
directions of F and d when determining the sign of the force.
F=
(e) Name the theorem or physics principle you used to calculate part (c).
40
5
O Newton's Second Law
O Work-Energy Theorem
O Superposition of forces
(f) Calculate the force exerted by an identical blow in the glory days when no gloves were used and
the knuckles and face would compress only 2.0000 cm. Consider the relative directions of F and d
when determining the sign of the force.
O Search
T
F=
A
4
6
Y
f7
&
N
4+
7
N
U
*
96
8
19
144
(
f10 ▷ll
)
O
11 DDI
I
I
(12
319
+
{
P [
=
✔
}
↓
1
✪
C
2
backspa
Transcribed Image Text:/handler?action=activityBranding&COURSEID=5110&SECTIONID=293088 O into doing work against gravity O into the potential energy of the face O into the potential energy of the glove and arm 4 R % (c) Calculate the force exerted on the boxing glove by the opponent's face. Consider the relative directions of F and d when determining the sign of the force. F= N (d) Calculate the force exerted by the boxing glove on the opponent's face. Consider the relative directions of F and d when determining the sign of the force. F= (e) Name the theorem or physics principle you used to calculate part (c). 40 5 O Newton's Second Law O Work-Energy Theorem O Superposition of forces (f) Calculate the force exerted by an identical blow in the glory days when no gloves were used and the knuckles and face would compress only 2.0000 cm. Consider the relative directions of F and d when determining the sign of the force. O Search T F= A 4 6 Y f7 & N 4+ 7 N U * 96 8 19 144 ( f10 ▷ll ) O 11 DDI I I (12 319 + { P [ = ✔ } ↓ 1 ✪ C 2 backspa
Expert Solution
steps

Step by step

Solved in 5 steps with 7 images

Blurred answer
Knowledge Booster
Second law of motion
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
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