AIEEE 2005 | Center of Mass and Collision Question 115 | Physics

A mass $$'m'$$ moves with a velocity $$'v'$$ and collides inelastically with another identical mass. After collision the $${1^{st}}$$ mass moves with velocity $${v \over {\sqrt 3 }}$$ in a direction perpendicular to the initial direction of motion. Find the speed of the $${2^{nd}}$$ mass after collision. AIEEE 2005 Physics - Center of Mass and Collision Question 105 English

AIEEE 2005 Physics - Center of Mass and Collision Question 105 English

$${\sqrt 3 v}$$

$$v$$

$${v \over {\sqrt 3 }}$$

$${2 \over {\sqrt 3 }}v$$

AIEEE 2005

MCQ (Single Correct Answer)

-1

The block of mass $$M$$ moving on the frictionless horizontal surface collides with the spring of spring constant $$k$$ and compresses it by length $$L.$$ The maximum momentum of the block after collision is AIEEE 2005 Physics - Center of Mass and Collision Question 106 English

AIEEE 2005 Physics - Center of Mass and Collision Question 106 English

$${{k{L^2}} \over {2M}}$$

$$\sqrt {Mk} \,\,L$$

$${{M{L^2}} \over k}$$

Zero

AIEEE 2004

MCQ (Single Correct Answer)

-1

A machine gun fires a bullet of mass $$40$$ $$g$$ with a velocity $$1200m{s^{ - 1}}.$$ The man holding it can exert a maximum force of $$144$$ $$N$$ on the gun. How many bullets can he fire per second at the most?

Two

Four

One

Three

AIEEE 2003

MCQ (Single Correct Answer)

-1

Consider the following two statements :

$$A.$$ Linear momentum of a system of particles is zero

$$B.$$ Kinetic energy of a system of particles is zero.

then

$$A$$ does not imply $$B$$ and $$B$$ does not imply $$A$$

$$A$$ implies $$B$$ but $$B$$ does not imply $$A$$

$$A$$ does not imply $$B$$ but $$B$$ implies $$A$$

$$A$$ implies $$B$$ and $$B$$ implies $$A$$

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