A bike rider approaches a hill with a speed of 8.50 m/s. The total mass of the bike and rider is 85-kg a. Find the kinetic energy of the bike and rider. ッ7o.6 JV The rider coast up the hill. Assuming there is no friction; at what height will the bike come to a stop? KE -h 307026 mg (85)(9.8) 354 J c. Does your answer depend on the mass of the bike and rider? Explain.

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
icon
Concept explainers
Topic Video
Question
Number 2
KE
Ch bnuorg ode e moo1 Name:
Period:poiw Date: woH
Corrections
Conservation of Energy
tions: Read each of the following statements/questions. Answer them correctly and box your final answer.
A large chuck of ice with mass 15.0-kg falls from a roof 8.00 m above the ground.
a. Find the kinetic energy of the ice when it reaches the ground.
Stooft bauomhElinte i o1olod taui oved los2 orli 2oob
h=-8
9-9-8
b. What is the speed of the ice when it reaches the ground?
2aM4= 3ンて
v? 2 KE
ord to s2ed prli of svilslon 229220bo 5 Kg
2. A bike rider approaches a hill with a speed of 8.50 m/s. The total mass of the bike and rider is 85-kg
VE 1 (1175J)
?KE y
a. Find the kinetic energy of the bike and rider.
70.6 JV
The rider coast up the hill. Assuming there is no friction; at what height will the bike come to a
stop? KE -h
mg
307026
354J
(85)(9.8)
c.
Does your answer depend on the mass of the bike and rider? Explain.
Yes
1/2
3. Tarzan, mass 85-kg, swings down from a tree limb on the end of a 20 m vine. His feet touch the ground
4.0 m below the limb.
a. How fast is Tarzan moving when he reaches the ground?
カニ85 イg
2X 9.8X4
V-8.87m/s
. Does your answer depend on Tarzan's mass?
velocitg
is given by equoliond
Poes your answer depend on the length of the vine?
ve loci by is given by equalion Is, yhich is
inder
VoF Lengt h of
from rest at the top of a 45.0 m hill; skies down a 30.0° incline into a valley, and contin
Both hill heights are measured from the valley floor. Assume you can neglect frictio
i poles.
is the skier moving at the bottom of the valley?
ier's speed at the top of the next hill?
Transcribed Image Text:KE Ch bnuorg ode e moo1 Name: Period:poiw Date: woH Corrections Conservation of Energy tions: Read each of the following statements/questions. Answer them correctly and box your final answer. A large chuck of ice with mass 15.0-kg falls from a roof 8.00 m above the ground. a. Find the kinetic energy of the ice when it reaches the ground. Stooft bauomhElinte i o1olod taui oved los2 orli 2oob h=-8 9-9-8 b. What is the speed of the ice when it reaches the ground? 2aM4= 3ンて v? 2 KE ord to s2ed prli of svilslon 229220bo 5 Kg 2. A bike rider approaches a hill with a speed of 8.50 m/s. The total mass of the bike and rider is 85-kg VE 1 (1175J) ?KE y a. Find the kinetic energy of the bike and rider. 70.6 JV The rider coast up the hill. Assuming there is no friction; at what height will the bike come to a stop? KE -h mg 307026 354J (85)(9.8) c. Does your answer depend on the mass of the bike and rider? Explain. Yes 1/2 3. Tarzan, mass 85-kg, swings down from a tree limb on the end of a 20 m vine. His feet touch the ground 4.0 m below the limb. a. How fast is Tarzan moving when he reaches the ground? カニ85 イg 2X 9.8X4 V-8.87m/s . Does your answer depend on Tarzan's mass? velocitg is given by equoliond Poes your answer depend on the length of the vine? ve loci by is given by equalion Is, yhich is inder VoF Lengt h of from rest at the top of a 45.0 m hill; skies down a 30.0° incline into a valley, and contin Both hill heights are measured from the valley floor. Assume you can neglect frictio i poles. is the skier moving at the bottom of the valley? ier's speed at the top of the next hill?
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps with 4 images

Blurred answer
Knowledge Booster
Kinetic energy
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