Home
Class 12
PHYSICS
A particle of mass m is subjected to an ...

A particle of mass `m` is subjected to an attractive central force of magnitude `k//r^(2)`, `k` being a constant. If at the instant when the particle is at an extreme position in its closed orbit, at a distance a from the centre of force, its speed is `sqrt(k//2ma)`, if the distance of other extreme position is b. Find `a//b`.

A

-1

B

2

C

3

D

4

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

A particle moves in a circular orbit under the action of a central attractive force inversely proportional to the distance 'r'.The speed of the particle is

A particle executing S.H.M. starts from the mean position. Its phase, when it reaches the extreme position, is

The force constant of a wire is k and that of another wire is . 2k When both the wires are stretched through same distance, then the work done

A particle is executing a linear S.H.M. Its velocity at a distance x from the mean position is given by v^2=144-9x^2 . The maximum velocity of the particle is

Two particle A and B initially at rest, move towards each other under mutual force of attraction. At the instant when the speed of A is V and the speed of B is 2V, the speed of the centre of mass of the system is

Force acting on a particle of mass m moving in straight line varies with the velocity of the particle as F=K//V K is constant then speed of the particle in time t

If particle executing S.H.M. has an amplitude of 6 cm, its acceleration at a distance 2 cm from mean position is 8 cm/s^2 , then the maximum speed of the particle will be

A particle of mass M is placed at the centre of a spherical shell of same mass and radius a. What will be the magnitude of the gravitational potential at a point situated at a/2 distance from the centre ?

A particle is executing SHM along a straight line. Its velocities at distances x_(1) and x_(2) from the mean position are v_(1) and v_(2) , respectively. Its time period is

A particle executing simple harmonic motion has an amplitude of 6 cm . Its acceleration at a distance of 2 cm from the mean position is 8 cm/s^(2) The maximum speed of the particle is