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Two particles mass m(1) and m(2) are kep...

Two particles mass `m_(1)` and `m_(2)` are kept at rest at `t=0`. They start attracting each other due to their gravitational pull, then
STATEMENT-1 : The toal mometum of the system is zero at any instant.
and
STATEMENT-2 : Both are particles gain equal momentum in opposite direction in equl interval of time as both are acted upon equal and opposite forces.

A

Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-1

B

Statement -1 is True, Statement-2 is True, Statement is NOT a correct explanation for Statement-1

C

Statement-1 is True, Statement-2 is False

D

Statement-1 is False, Statement-2 is True

Text Solution

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Knowledge Check

  • Two particles of mass m_(1) and m_(2) , approach each other due to their mutual gravitational attraction only. Then

    A
    acceleration of both the particles are equal.
    B
    acceleration of the particle of mass `m_(1)` is proportional to `m_(1)`
    C
    acceleration the particle of mass `m_(1)` is proportional to `m_(2)`.
    D
    accelaration of the particle of mass `m_(1)` is inversely proportional to `m_(1)`.

  • Two particles of mass m_(1) and m_(2) , approach each other due to their mutual gravitational attraction only. Then

    A
    accelerations of both the particles are equal.
    B
    acceleration of the particle of mass `m_(1)` is proportional to `m_(1)`.
    C
    acceleration of the particle of mass `m_(1)` is proportional to `m_(2)`.
    D
    acceleration of the particle of mass `m_(1)` is inversely proportional to `m_(1)`.

  • Two particles of mass m_(1) and m_(2) are approaching towards each other under their mutual gravitational field. If the speed of the particle is v, the speed of the center of mass of the system is equal to :

    A
    `(m_(1))/(m_(2))v`
    B
    Zero
    C
    `((m_(1)-m_(2))v)/(m_(1)+m_(2))`
    D
    `(m_(2))/(m_(1))v`