Homework Help is Here – Start Your Trial Now!
Science
Physics
1. A quadrilateral ABCD has masses 1,2,3 and 4 units located at its vertices A(-1,-2, 2), B(3,2,-1), C(1,-2,4) and D(3,1,2). Find the coordinates of the C.M. [(2,0,2)]

1. A quadrilateral ABCD has masses 1,2,3 and 4 units located at its vertices A(-1,-2, 2), B(3,2,-1), C(1,-2,4) and D(3,1,2). Find the coordinates of the C.M. [(2,0,2)]

College Physics
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)...
See similar textbooks
icon
Related questions
Question
THI A mana KI SHAT ProhEALT ms.microsoft.com/_#/pdf/viewer/teams/https:-2F-2Fhinducollegedelhi.sharepoint.com-2Fsites-2FB.Sc.HPhysicsadmission2021-24copy-2F... Q Search PRACTICE PROBLEMS A quadrilateral ABCD has masses 1,2,3 and 4 units lócated at its vertices A(-1,-2, 2), B(3,2,-1), C(1,-2,4) and D(3,1,2). Find the coordinates of the C.M. [(2,0,2)] 2. Three particles of masses 2,1,3 respectively have position vectors = 5tî- 2t2j + (3t – 2)k , 2= (2t – 3)î + (12 – 5t²)ĵ + (4 + 6t – 3t3)k, 3 = (2t – 1)î – (t2 + 2)î – t3k, where t is the time. Find (a) the velocity of C.M. at time t=1 and (b) the total linear momentum of the system at time t=1. [(a) 3î – 4ĵ – k, (b) 181- 12j- 6k.] 1. Find the impulse developed by a force given by F = 4tî + (6t2 – 2)ĵ + 12k from t=0 to t=2. [8î + 12ĵ + 24k] 3. 4. A particle of unit mass moves in a force field given by F = (3t² – 4t)î + (12t – 6)î + (6t – 12t²)k wheret is the time. a) Find the change in momentum of the particle from t=1 to t=2. [î + 12ĵ – 19k] b) If the velocity at t=1 is 4î– 5ĵ + 10k, what is the velocity at t=2? [5i + 7j -9k] Dr Pragati Ashdhir, Associate Professor, Department of Physics, Hindu College
Transcribed Image Text:THI A mana KI SHAT ProhEALT ms.microsoft.com/_#/pdf/viewer/teams/https:-2F-2Fhinducollegedelhi.sharepoint.com-2Fsites-2FB.Sc.HPhysicsadmission2021-24copy-2F... Q Search PRACTICE PROBLEMS A quadrilateral ABCD has masses 1,2,3 and 4 units lócated at its vertices A(-1,-2, 2), B(3,2,-1), C(1,-2,4) and D(3,1,2). Find the coordinates of the C.M. [(2,0,2)] 2. Three particles of masses 2,1,3 respectively have position vectors = 5tî- 2t2j + (3t – 2)k , 2= (2t – 3)î + (12 – 5t²)ĵ + (4 + 6t – 3t3)k, 3 = (2t – 1)î – (t2 + 2)î – t3k, where t is the time. Find (a) the velocity of C.M. at time t=1 and (b) the total linear momentum of the system at time t=1. [(a) 3î – 4ĵ – k, (b) 181- 12j- 6k.] 1. Find the impulse developed by a force given by F = 4tî + (6t2 – 2)ĵ + 12k from t=0 to t=2. [8î + 12ĵ + 24k] 3. 4. A particle of unit mass moves in a force field given by F = (3t² – 4t)î + (12t – 6)î + (6t – 12t²)k wheret is the time. a) Find the change in momentum of the particle from t=1 to t=2. [î + 12ĵ – 19k] b) If the velocity at t=1 is 4î– 5ĵ + 10k, what is the velocity at t=2? [5i + 7j -9k] Dr Pragati Ashdhir, Associate Professor, Department of Physics, Hindu College
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Height and distance
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.
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
SEE MORE TEXTBOOKS