soccer ball has a mass of 0.40 kg. Initially it is moving to the left at 20m/s but then it is kicked. After the kick it is moving at 45° upward and to the right with speed 30m/s. Find the impulse of net force and the average net force, assuming a collision time t=0.01s
soccer ball has a mass of 0.40 kg. Initially it is moving to the left at 20m/s but then it is kicked. After the kick it is moving at 45° upward and to the right with speed 30m/s. Find the impulse of net force and the average net force, assuming a collision time t=0.01s
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)...
Related questions
Question
A soccer ball has a mass of 0.40 kg. Initially it is moving to the left at 20m/s but then it is kicked. After the kick it is moving at 45° upward and to the right with speed 30m/s. Find the impulse of net force and the average net force, assuming a collision time t=0.01s
Transcribed Image Text:ii.
State with proof whether it is an elastic or inelastic collision. (1mk)
Ke before = my
Kt After = 1½/22 (mirm2) v.²
= 4/₂2 (6+3) 2²
= 6x2¹
iii. If the impulsive force applies onto each other is 400N, what is the collision time? (1mk)
Question 5
A soccer ball has a mass of 0.40 kg. Initially it is moving to the left at 20m/s but then it is kicked. Afte
it is moving at 45° upward and to the right with speed 30m/s. Find the impulse of the net force and th
net force, assuming a collision time At = 0.010s. (Hint: consider the forces in x and y direction) (4mks
(4) Before-and-after diagram
36 sin 4
= 21.2 N
x=20
=125
14/1
Friet
D₂ = 30 m/s
45
AFTER
m=0.40 kg
v₁ = 20 m/s
ma
= m(v-ut
6:40x/30-(-
BEFORE
0.010
0.40 x 50
0.01
2000N
(b) Average force on the ball
(p=fnet At AF
= 2000x0:0
ZON
mouse of not force
(Far)
مے
adjok
tar! (80
Question 6
A marksman holds a rifle of mass MR = 3.00kg loosely, so it can recoil freely. He fires a bullet of m
5.00g horizontally with a velocity relative to the ground of 3 00m/s. What is the recoil velocity
rifle? What are the final momentum and kinetic energy of the bullet and rifle? (4mks)
Before
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 4 steps with 4 images
Knowledge Booster
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 youCollege PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
University Physics (14th Edition)PhysicsISBN:9780133969290Author:Hugh D. Young, Roger A. FreedmanPublisher:PEARSON
Introduction To Quantum MechanicsPhysicsISBN:9781107189638Author:Griffiths, David J., Schroeter, Darrell F.Publisher:Cambridge University PressCollege PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage LearningUniversity Physics (14th Edition)PhysicsISBN:9780133969290Author:Hugh D. Young, Roger A. FreedmanPublisher:PEARSONIntroduction To Quantum MechanicsPhysicsISBN:9781107189638Author:Griffiths, David J., Schroeter, Darrell F.Publisher:Cambridge University Press
Physics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Lecture- Tutorials for Introductory AstronomyPhysicsISBN:9780321820464Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina BrissendenPublisher:Addison-Wesley
College Physics: A Strategic Approach (4th Editio…PhysicsISBN:9780134609034Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart FieldPublisher:PEARSON