MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Velocity

A particle is...

Question

A particle is released from A along a rough track as shown in the figure and it stops at point B Horizontal displacement between point A and B is x The coefficient of friction between particle and track is $μ$ The difference in height between point A and B is

A

\frac{x}{μ}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

μ x

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C

(1 + μ) x

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

x

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B $μ x$
From work energy theorem
W = $Δ$ k
$W g + W_{n} + W_{t} = 0$
$W g = - W_{r} = μ m g x$
$m g h = μ m g x$
$h = μ x$

Suggest Corrections

thumbs-up

0

Similar questions

Q. A particle of mass

m

, moves along the uniformly rough track

P Q R

as shown in the figure. The coefficient of friction (

μ_{s} = μ_{k} = μ

), between the particle and the rough track is equal throughout the track. The particle is released from rest, from the point

P

and it comes to rest again at point

R

. The energy lost by the particle, over the parts

P Q

Q R

of the track are equal and no energy is lost when the particle changes direction from

P Q

Q R

. Then, values of the distance

x = Q R

and coefficient of friction

μ

are respectively close to:

Q. A point particle of mass

m

, moves along the uniformly rough track

P Q R

as shown in the figure. The coefficient of friction, between the particle and the rough track equals

μ

. The particle is released, from rest, from the point

P

and it comes to rest at a point

R

. The energies, lost by the particle, over the parts,

P Q

Q R

, of the track, are equal to each other, and no energy is lost when particle changes direction from

P Q

Q R

. The values of the coefficient of friction

μ

and the distance

x (= Q R)

, are respectively close to:

Q. A particle of mass

m

, moves along the rough track

P Q R

as shown in the figure. The coefficient of friction (

μ_{s} = μ_{k} = μ

), between the particle and the rough track is equal throughout the track. The particle is released from rest, from the point

P

and it comes to rest again at point

R

. The energy lost by the particle, over the parts

P Q

Q R

of the track are equal and no energy is lost when the particle changes direction from

P Q

Q R

. Then, values of the distance

x = Q R

and coefficient of friction

μ

are respectively close to:

Q. A point particle of mass

m

, moves along the uniformly rough track

P Q R

as shown in the figure. The coefficient of friction between the particle and the rough track equals

μ

. The particle is released, from rest, from the point

P

and it comes to rest at point

R

. The energies lost by the ball, over the parts

P Q

Q R

of the track, are equal to each other and no energy is lost when the particle changes direction from

P Q

Q R

. The values of the coefficient of friction

μ

and the distance

x (= Q R)

, are respectively

Q. A point particle of mass

m

, moves along the uniformly rough track

P Q R

as shown in the figure. The coefficient of friction, between the particle and the rough track equals

μ

. The particle is released, from rest, from the point

P

and it comes to rest at a point

R

. The energies, lost by the ball, over the parts,

P Q

Q R

, of the track, are equal to each other, and no energy is lost when the particle changes direction from

P Q

Q R

. The values of the coefficient of friction

μ

and the distance

x (= Q R)

, are respectively close to

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon