Home
Class 12
PHYSICS
Two uniform spherical stars made of same...

Two uniform spherical stars made of same material have radii `R` and `2R`. Mass of the smaller planet is `m`. They start moving from rest towards each from a large distance under mutual force of gravity. The collision between the starts is inelastic with coefficient of restitution `1//2`.
Kinetic energy of the system just after the collision is

A

`(8Gm^(2))/(3R)`

B

`(2Gm^(2))/(3R)`

C

`(4Gm^(2))/(3R)`

D

cannot be determined

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    MOTION|Exercise Exercise - 2 (Level - II) Multiple choice | JEE Advanced|12 Videos

  • GRAVITATION

    MOTION|Exercise Exercise - 3 | level - 1 (Subjective | JEE Advanced)|13 Videos

  • GRAVITATION

    MOTION|Exercise Exercise - 1 (Objective Problems | Jee Main|25 Videos

  • GEOMETRICAL OPTICS

    MOTION|Exercise Exercise - 4 | Level-II|55 Videos

  • HEAT - 1

    MOTION|Exercise EXERCISE -4 (Level - II) Previous Year | JEE Advanced|22 Videos

Similar Questions

Explore conceptually related problems

Two uniform spherical starts made of same material have radii R and 2R. Mass of the smaller planet is m. They start mmoving from rest towards each other from a large distance under mutual force of gravity. The collision between the stars is inelastic with coefficient of restitution 1/2. The maximum separation between their centres after their first collision

One sphere collides with another sphere of same mass at rest inelastically. If the value of coefficient of restitution is 1/2, the ratio of their speeds after collision shall be-

Two spheres are moving towards each other. Both have same radius but their masses are 2kg and 4kg. If the velocities are 4m/s and 2m/s respectively and coefficient of restitution is e = 1/3, find. Loss in kinetic energy due to collision.

A particle of mass m moving with speed u collides perfectly inelastically with another particle of mass 2m at rest. Find loss of kinetic energy of system in the collision.

A sphere of mass m moving with a uniform velocity v hits another identical sphere at rest. If the coefficient of restitution is e, the ratio of the velocities of the two sphere after the collision is (e-1)/(e+1) .

A block of mas m moving at a velocity upsilon collides head on with another block of mass 2m at rest. If the coefficient of restitution is 1/2, find the velocities of te blocks after the collision.

A block of mass m moving with speed v_(0) strikes another particle of mass 2 m at rest. If collision is head - on and the coefficient of restitution e = 1//2 , then the loss in kinetic energy will be