A particle is travelling with initial veocity of `2 m//s` and moves in a straight line with a restardation of `0.1 m//s^(2)`. The time at which the particle is `15 m` from the starting point is :

A particle starts with a velocity of 2m//s and moves in a straight line with a retardation of 0.1m//s^(2) . The time that it takes to describe 15m is

A particle starts with a velocity of 2m//s and moves in a straight line with a retardation of 0.1m//s^(2) . The time that it takes to describe 15m is

A particle is moving on a straight line with constant retardation of 1 m//s^(2) . Its initial velocity is 10 m//s .

The initial velocity of a particle moving along straight line is 20 m/s and its retardation Is 2 m/s_2. The distance moved by the particle in the fifth sec. of its motion is :

A particle is moving along a straight line.The initial velocity is 10m/s and it is , moving with constant retardation of 2m/s^(2) .. The distance travelled by the particle until it comes to rest is

A particle is moving with an initial velocity of 2m/s and covers a distance of 20m in 5s. Find (a) acceleration of particle (b) time taken by the particle to attain a velocity of 10m/s.

A particle, initially at rest, starts moving in a straight line with an acceleration a=6t+4 m//s^(2) . The distance covered by it in 3 s is

A particle, initially at rest, starts moving in a straight line with an acceleration a=6t+4 m//s^(2) . The distance covered by it in 3 s is

A particle moves for 1 minute with a velocity of 15 m/s and moves for 0.5 minute with a velocity of 10 m/s. the average speed of particle is