Question 20: A particle of mass coming with some initial velocity hits the center of mass of a rod on a horizontal frictionless table. The collision is elastic. The rod is pivoted at one of its ends. Which one(s) of the following statement(s) is (are) true for the system of the rod and the particle? I) The total mechanical energy is conserved. II) The linear momentum is conserved. III) The angular momentum about an axis passing through the pivot is con- served. IV) The angular momentum about an axis passing through the center of mass of the rod is conserved.
Question 20: A particle of mass coming with some initial velocity hits the center of mass of a rod on a horizontal frictionless table. The collision is elastic. The rod is pivoted at one of its ends. Which one(s) of the following statement(s) is (are) true for the system of the rod and the particle? I) The total mechanical energy is conserved. II) The linear momentum is conserved. III) The angular momentum about an axis passing through the pivot is con- served. IV) The angular momentum about an axis passing through the center of mass of the rod is conserved.
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Transcribed Image Text:Question 20: A particle of mass coming with some initial velocity hits the
center of mass of a rod on a horizontal frictionless table. The collision is elastic.
The rod is pivoted at one of its ends. Which one(s) of the following statement(s)
is (are) true for the system of the rod and the particle?
I) The total mechanical energy is conserved.
II) The linear momentum is conserved.
III) The angular momentum about an axis passing through the pivot is con-
served.
IV) The angular momentum about an axis passing through the center of mass
of the rod is conserved.
Transcribed Image Text:Select one:
O (I), (II), and (IV)
O (I) and (III)
Only (II)
Only (I)
O Only (IV)
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