SaraNextGen Study App [2022-23]
Last Updated On 23-10-2022 - By Sara

A smooth tube of certain mass is rotated in a gravity-free space and released. The two balls shown in Figure move towards the ends of the tube.For the whole system, which of the following quantities is not conserved

a)

Angular momentum

b)

Linear momentum

c)

Kinetic energy

d)

Angular speed


Question ID - 100089 :-

A smooth tube of certain mass is rotated in a gravity-free space and released. The two balls shown in Figure move towards the ends of the tube.For the whole system, which of the following quantities is not conserved

a)

Angular momentum

b)

Linear momentum

c)

Kinetic energy

d)

Angular speed

1 Answer
5876 Votes
3537

Answer Key : (d) -

(d)

As , angular momentum and linear momentum remain conserved. As the two balls will move radially out,  changes. In order to keep the angular momentum   conserved, angular speed (  should change



Next Question :

Following question is based on definite series.  In given question, some symbols are missing shown by(-).  The missing symbols are given in proper sequence as one of four alternatives given under each question.  Find out the correct alternative.

- - K – E – K X – P – X

(a)

P E X E P K

(b)

P K E X E K

(c)

K E P E X K

(d)

E P X P E K


View 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, 10th maths guide, 10th science guide, 10th tamil guide, 10th social guide, 10th english guide, science 10th guide and 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.


SaraNextGen