Question
Medium
Solving time: 3 mins
Two blocks and of masses and are connected together by means of a spring and are resting on a horizontal frictionless table. The blocks are then pulled apart so as to stretch the spring and then released. Find the ratio of their,
(a) speed
(b) magnitude of momentum and
(c) kinetic energy at any instant.
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Text solutionVerified
(a) Net force on the system of two blocks is zero. Therefore, linear momentum of the system will remain constant. Initially, they are at rest. So, at any instant the net momentum will be zero.
(b) From Eq. (i),
(c) or
(b) From Eq. (i),
(c) or
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Question Text | Two blocks and of masses and are connected together by means of a spring and are resting on a horizontal frictionless table. The blocks are then pulled apart so as to stretch the spring and then released. Find the ratio of their, (a) speed (b) magnitude of momentum and (c) kinetic energy at any instant. |
Topic | Laws of motion |
Subject | Physics |
Class | Class 11 |
Answer Type | Text solution:1 |
Upvotes | 67 |