Last Updated On [03-11-2023]
Two practical 
and 
initially at rest, move towards each other, under mutual force of attraction. At an instance when the speed of 
is 
and speed 
is 2
, the speed of centre of mass (CM) is
a)
Zero
b)
c)
d)
Two practical and initially at rest, move towards each other, under mutual force of attraction. At an instance when the speed of is and speed is 2 , the speed of centre of mass (CM) is
a)
Zero
b)
c)
d)
Question ID - 52759 :-
Two practical and initially at rest, move towards each other, under mutual force of attraction. At an instance when the speed of is and speed is 2 , the speed of centre of mass (CM) is
a)
Zero
b)
c)
d)
|
Two practical |
||||||||
|
a) |
Zero |
b) |
|
c) |
|
d) |
|
|
(a)
As initially both the particles were at rest therefore velocity of centre of mass was zero and there is no external force on the system so speed of centre of mass remains constant 
, it should be equal to zero.
Next Question :
|
When a mass is rotating in a plane about a fixed point, its angular momentum is directed along |
||||||||
|
a) |
A line perpendicular to the plane of rotation |
b) |
The line making an angle of |
c) |
The radius |
d) |
The tangent to the orbit |
|
to the plane of rotationView Topper Answer
We hope we have given the updated helpful answer / content for your query in an easily accessible format to help you in preparing adequately. We do offer free support materials, 11th maths guide 11th maths guide 12th maths guide 10th maths guide, also for all the classes books and guide to all the students who sign up for SaraNextGen. Apart from traditional textbook queries, we've got conjointly provided further high order level thinking issues, that are seemingly to be expected in boards and competitive exams. It includes conceptual queries, MCQs, Long and short answer type queries, etc. These Questions are designed to learn each student and academics by providing chapter-wise further issues focusing totally on testing conceptual information with applications. Here, we've got provided a number of the necessary ways in which within which the solutions of all the Questions will profit students of class 1 to 12. If you have any queries, drop a message to us and we will get back to you at the earliest.
