HARD
Assam CEE
IMPORTANT
Earn 100
A ball is released from a height . It hits the floor below and keeps bouncing repeatedly until it comes to rest. If the coefficient of restitution of the head-on collision between the ball and the floor is , the total distance covered by the ball (vertically) from the point of its release to its rest position is given by:
20% studentsanswered this correctly
Important Questions on Centre of Mass, Momentum and Collisions
MEDIUM
Assam CEE
IMPORTANT
A shell of mass is fired with a speed at an angle with the horizontal such that it explodes into two equal fragments at the highest point of its trajectory. If one fragment falls vertically, the distance at which the other fragment falls from the point of projection will be,
HARD
Assam CEE
IMPORTANT
A circular plate of uniform thickness has a diameter of . A circular portion of diameter is removed from one edge of the plate as shown in the figure below. The position of centre of mass of the remaining portion is
