A ball falls freely for 5 s

PHYSICS · Subjective · CBSE · Physics · Motion · Motion

Problem

A ball falls freely for 5 s, then passes through a glass sheet and loses half of its speed. After that, it reaches the ground 1 s later. Find how high the glass sheet is above the ground.

Related theory

Free-Fall & Vertical Motion
Gravitation
Kinematic Equations for Uniform Acceleration
Motion in a straight line
Acceleration
Equations of motion
Kinematic equations
Equations of motion and numerical applications

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