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Sahay Sir > Question Answers > AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 4 - Motion in a Plane > ASSERTION Generally the path of a projectile from the earth is parabolic but it is elliptical for projectiles going to a very great height. REASON Up to ordinary height the projectile moves under a uniform gravitational force, but at great heights, projectile moves under a variable force.

ASSERTION Generally the path of a projectile from the earth is parabolic but it is elliptical for projectiles going to a very great height. REASON Up to ordinary height the projectile moves under a uniform gravitational force, but at great heights, projectile moves under a variable force.

1. In a cricket match a batswoman hits a boundary 6 times out of 30 balls she plays. Find the probability that she did not hit a boundary. The position of a particle moving in the xy-plane at any time t is given by x=(3t^2 -6t) m