The velocity of a block of mass `2kg` moving along `x-` axis at any time `t` is givne by `v=20-10t(m//s)` where `t` is in seconds and `v` is in `m//s`. At time `t=0`, the block is moving in positive `x-` direction.
The power due to net force on force on block at `t=3 sec. `is `:`

The velocity of a block of mass 2kg moving along x- axis at any time t is givne by v=20-10t(m//s) where t is in seconds and v is in m//s . At time t=0 , the block is moving in positive x- direction. The Kinetic energy of block at t=3 sec. is :

The velocity of a block of mass 2kg moving along x- axis at any time t is givne by v=20-10t(m//s) where t is in seconds and v is in m//s . At time t=0 , the block is moving in positive x- direction. The Kinetic energy of block at t=3 sec. is :

The velocity of a block of mass 2kg moving along x- axis at any time t is givne by v=20-10t(m//s) where t is in seconds and v is in m//s . At time t=0 , the block is moving in positive x- direction. The work done by net force on the block starting from t=0 till it covers a distance 25 metres will be :

The velocity of a block of mass 2kg moving along x- axis at any time t is givne by v=20-10t(m//s) where t is in seconds and v is in m//s . At time t=0 , the block is moving in positive x- direction. The work done by net force on the block starting from t=0 till it covers a distance 25 metres will be :

The position of a body moving along x-axis at time t is given by x= (t^(2)-4t+6)m . The velocity of the body at time t = 3s is

The velocity 'v' of a particle moving along straight line is given in terms of time t as v=3(t^(2)-t) where t is in seconds and v is in m//s . The speed is minimum after t=0 second at instant of time

The velocity 'v' of a particle moving along straight line is given in terms of time t as v=3(t^(2)-t) where t is in seconds and v is in m//s . The speed is minimum after t=0 second at instant of time

The velocity 'v' of a particle moving along straight line is given in terms of time t as v=3(t^(2)-t) where t is in seconds and v is in m//s . The displacement of aprticle from t=0 to t=2 seconds is :

The velocity 'v' of a particle moving along straight line is given in terms of time t as v=3(t^(2)-t) where t is in seconds and v is in m//s . The displacement of aprticle from t=0 to t=2 seconds is :

A body starts from origin and moves along x - axis so that its position at any instant is x=4t^(2)-12t where t is in second and v in m/s. What is the acceleration of particle?