Q. A particle is dropped from a height and another particle is projected in horizontal direction with speed of from the same height then correct statement is:

 3405  213 AIPMTAIPMT 2002Motion in a Plane Report Error

Solution:

Time required to reach the ground is dependent on the vertical motion of the particle. Vertical motion of both the particles and are exactly same. Although particle has an initial velocity, but that is in horizontal direction and it has no component in vertical (component of a vector at a direction of ) direction. Hence they will reach the ground simultaneously.