Laws of Motion-Law of Conservation of Linear Momentum [JEE (Based on NTA Guidelines-IIT Engg.) Advanced Physics]: Questions 1 - 2 of 3

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Question 1

Appeared in Year: 2010

Question MCQ▾

Statement – 1 and Statement – 2 are given. Of the four choices given after the statements, choose the one the best describes the two statements.

Statement – 1: Two particles moving in the same direction do not lose all their energy in a completely inelastic collision.

Statement – 2: Principle of conservation of momentum holds true for all kind of collisions. (AIEEE)

Choices

Choice (4)Response

a.

Statement – 1 is false, Statement – 2 is true.

b.

Statement – 1 is true, Statement – 2 is true; Statement – 2 is the correct explanation of Statement – 1.

c.

Statement – 1 is true, Statement – 2 is false.

d.

Statement – 1 is true, Statement – 2 is true; Statement – 2 is not the correct explanation of Statement – 1.

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Question 2

Appeared in Year: 2017

Question MCQ▾

A block of mass has a circular cut with a frictionless surface as shown. The block rests on the horizontal frictionless surface of a fixed table. Initially the right edge of the block is at , in a co – ordinate system fixed to the table. A point mass is released from rest at the topmost point of the path as shown and it slides down. When the mass loses contact with block, its position is and the velocity is . At that instant, which of the following options is/are correct?

A Block with Circular Cut

Choices

Choice (4)Response

a.

The velocity of the point mass is:

b.

The velocity of the block is:

c.

The position of the point mass is:

d.

The component of displacement of the center of mass of the block is:

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