A particle of mass m describes a circle ...

A particle of mass `m` describes a circle of radius `r` . The centripetal acceleration of the particle is `(4)/(r^(2))` . What will be the momentum of the particle ?

`2 m//r`

`2m//sqrt(r)`

`4m//sqrt(4)`

`4 m//r`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

WORK, ENERGY AND POWER
PHYSICS GALAXY - ASHISH ARORA|Exercise unsolvedMCQ|78 Videos
WORK, ENERGY AND POWER
PHYSICS GALAXY - ASHISH ARORA|Exercise unsolved|1 Videos
WORK, ENERGY AND POWER
PHYSICS GALAXY - ASHISH ARORA|Exercise Discussion Question|31 Videos
RIGID BODIES AND ROTATIONAL MOTION
PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numerical|63 Videos

Similar Questions

Explore conceptually related problems

A particle of mass m describes a circle of radius r with a uniform speed v. The centripetal acceleration of the pariticle is 4 / r^(2) .What is the magnitude of the linear momentum of the particle ?

A particle of mass m is moving on a circular path of radius r . Centripetal acceleration of the particle or radius r . Centripetal acceleration of the particle depends on time t according to relation a_(c ) = kt^(2) . What power is delievered to the particle ?

A particle is moving at uniform speed 2 ms^(-1) along a circle of radius 0.5m .The centripetal acceleration of particle is

If KE of the particle of mass m performing UCM in a circle of radius r is E. Find the acceleration of the particle

A particle of mass m is moving in a circle of radius r. The centripetal acceleration (a_(c)) of the particle varies with the time according to the relation, a_(c)=Kt^(2) , where K is a positive constant and t is the time. The magnitude of the time rate of change of angular momentum of the particle about the centre of the circle is

A particle with the constant speed in a circle of radius r and time period T.The centripetal acceleration of a particle is

A particle moves in a circle of radius 25 cm at two revolutions per sec. The acceleration of the particle in m//s^(2) is:

A particle is moving on a circular path of radius 0.3 m and rotaing at 1200 rpm. The centripetal acceleration of the particle

PHYSICS GALAXY - ASHISH ARORA-WORK, ENERGY AND POWER-MCQ

IF the block in the shown arrangement is acted upon by a constant forc...
Text Solution
|
A car of mass 500 kg is driven with acceleration 1 m//s^(2) along stra...
Text Solution
|
A particle of mass m describes a circle of radius r . The centripetal ...
Text Solution
|
A large mass M and a small mass m hang at the two ends of string passi...
Text Solution
|
The maximum tension an inextensible rope of mass density 0.1 kg m^(-1)...
Text Solution
|
In the figure -3.90 shown, the net work done by the tension when the b...
Text Solution
|
A uniform chain is held on a frictionless table with one- fifth of its...
Text Solution
|
An object of mass m is tied to a string of length l and a variable for...
Text Solution
|
Work done in time t on a body of mass m which is accelerated from rest...
Text Solution
|
A flexible chain of length L=20 sqrt(2) m and weight W=10 kg in initia...
Text Solution
|
A simple pendulum has a string of length l and bob of mass m. When the...
Text Solution
|
A block of mass 1 kg slides down a vertical curved track that is one q...
Text Solution
|
A uniform chain of length L and mass M is lying on a smooth table and ...
Text Solution
|
In the track shown in figure -3.94 section AB is a quadant of a circle...
Text Solution
|
A block of mass m is attached to the two springs in vertical plane as ...
Text Solution
|
A heavy particle is suspended by a 1.5 m long string . It is given a h...
Text Solution
|
In a simple pendulum, the breaking strength of the string is double th...
Text Solution
|
A particle of mass m is fixed to one end of a light rigid rod of lengt...
Text Solution
|
A particle of mass 0.01 kg travels along a space curve with velocity g...
Text Solution
|
A 10kg ball attached at the end of a rigid massless rod of lengh 1m ro...
Text Solution
|