A rectangular tank of mass `m_(0)` and charge Q is placed over a smooth horizontal floor. A horizontal electric field£ exist in the region. Rain drops are falling vertically in the tank at the constant rate of n drops per second. Mass of each drop is m. Find velocityoftank as function of time.

A rectangular tank of mass m_(0) and charge Q is placed over a smooth horizontal floor. A horizontal electric field E exist in the region. Rain drops are falling vertically in the tank at the constant rate of n drops per second. Mass of each drop is m. Find velocity of tank as function of time.

A rectangular tank of mass m_0 and charge Q over it is placed over a smooth horizontal floor. A horizontal electric field E exist in the region. Rain drops are falling vertically in the tank at the constant rate of n drops per second, Mass of each drop is m . Find velocity of tank as function of time.

A ball of mass m having a charge q is released from rest in a region where a horizontal electric field E exists. (a) Find the resultant force acting on the ball. (b) Find the trajectory followed by the ball.

A ball of mass m having a charge q is released from rest in a region where a horizontal electric field E exists. (a) Find the resultant force acting on the ball. (b) Find the trajectory followed by the ball.

An oil drop of mass m and charge +q is balanced in vaccum by a uniform electric field of intensity E . the direction of this field should be

A particle is having mass m & charge +q is projected horizontally from point O . Electric field is present and is directed vertically downward .

A pendulum bob of mass m charge q is at rest with its string making an angle theta with the vertical in a uniform horizontal electric field E. The tension in the string in

A pendulum bob of mass m charge q is at rest with its string making an angle theta with the vertical in a uniform horizontal electric field E. The tension in the string in