A block of mass m is placed on a frictio...

A block of mass m is placed on a frictionless horizontal table. Consider a spring of spring constant K whose one end is connected to the block and the other end is connected to a fixed support in such a manner that spring remains horizontal. A positive charge q is given to the block. Suddenly an electric field of magnitude E is switched on in horizontal direction that is in the direction away from the fixed support. What will be the maximum possible elongation of the spring after electric field is switched on?

Text Solution

Verified by Experts

2qE/K

Topper's Solved these Questions

ELECTRIC CHARGES AND FIELDS
MODERN PUBLICATION|Exercise Conceptual Questions|51 Videos
ELECTRIC CHARGES AND FIELDS
MODERN PUBLICATION|Exercise Tough & Tricky Problems|20 Videos
ELECTRIC CHARGES AND FIELDS
MODERN PUBLICATION|Exercise Chapter Practice Test|15 Videos
DUAL NATURE OF RADIATION AND MATTER
MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST|15 Videos
ELECTROMAGNETIC INDUCTION
MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST FOR BOARD EXAMINATION|14 Videos

Similar Questions

Explore conceptually related problems

A block of mass M is kept on a rough horizontal surface and is attached with massless spring of force constant k .The minimum constant force applied on the other end of the spring to lift the block is

The block of mass M moving on the frictionless horizontal surface collides with the spring constant k and compresses it by length L . The maximum momention of the block after collision is

A block of mass M is placed on top of a hole in a horizontal table. A spring of force constant k is connected to the block through the hole. The other end of the massless spring has a particle of mass m connected to it. With what maximum amplitude can the particle oscillate up and down such that the block does not lose contact with the table?

A block of mass m is connected to another .block of mass M by a massless spring of spring constant k. A constant force f starts action as shown in figure, then:

One end of a light spring of spring constant k is fixed to a wall and the other end is tied to a block placed on a smooth horizontal surface. In a displacement, the work by the spring is 1/2kx^2 . The possible cases are

Two spring are connected toa block of mass M placed a frictionless surface as shown if both the spring have a spring constant k the frequency of oscillation block is

A block of mass 'm' is attached to a spring in natural length of spring constant 'k' . The other end A of the spring is moved with a constat velocity v away from the block . Find the maximum extension in the spring.

One end of a light spring of spring constant k is fixed to a wall and the other end is tied to a block placed on a smooth horizontal surface. In a displacment, the work done by the spring is +(1/2)kx^(2) . The possible cases are.

A block of mass m is initially moving to the right on a horizontal frictionless surface at a speed v. It then compresses a spring of spring constant k. At the instant when the kinetic energy of the block is equal to the potential energy of the spring, the spring is compressed a distance of :

MODERN PUBLICATION-ELECTRIC CHARGES AND FIELDS -Practice Problems

A charged particle of mass m and charge q is released from rest in an ...
Text Solution
|
Mass of bob of a pendulum is m and it is suspended from the ceiling in...
Text Solution
|
A block of mass m is placed on a frictionless horizontal table. Consid...
Text Solution
|
A charge +q is placed at a distance 'd' from the centre of the uncharg...
Text Solution
|
There is one charged tiny spherical oil drop and the magnitude of elec...
Text Solution
|
A tiny spherical oil drop carrying a net charge q is balanced in still...
Text Solution
|
An electric dipole consists of two charges of pm0.5 muC, kept at dista...
Text Solution
|
Two charged particles of charges +0.1 muC and -0.1 muC are kept on the...
Text Solution
|
Four point charges, +0.1 muC,-0.1 muC,-0.1 muC and +0.1 muC are kept a...
Text Solution
|
calculate the magnitude and direction of the torque acting on the comb...
Text Solution
|
Six point charges are arrange at the vertices of a regular hexagon of ...
Text Solution
|
Calculate the magnitude of electric field at the centre of a regular h...
Text Solution
|
Calculate the electric field at the centre of a cube, if seven of its ...
Text Solution
|
A proton is placed at a distance of 3 xx 10^(-9) m from the centre of ...
Text Solution
|
Two point charges +4 muC and -4 muC are place(at vertices P and Q resp...
Text Solution
|
An electric dipole experiences a torque of 10sqrt3 Nm, when placed at ...
Text Solution
|
A positive charge Q is uniformly distributed across a rod of length L....
Text Solution
|
Find the electric field intensity at the centre of a semi circular arc...
Text Solution
|
Consider a uniformly charged ring of radius R and total charge Q. What...
Text Solution
|
A rod of length 20 cm carries a charge of +150 muC that is uniformly d...
Text Solution
|