A ball projected vertically upward from ground level passes a window-sill 30 m above…

PHYSICS · Subjective · CBSE · Physics · Gravitation · Gravitation

Problem

A ball projected vertically upward from ground level passes a window-sill 30 m above the ground twice, the two instants being 6 s apart. Find the initial speed of projection.

Related theory

Kinematic Equations for Uniform Acceleration
Free-Fall & Vertical Motion
Gravitation
Motion in a straight line
Equations of motion
Kinematic equations
Motion of objects under gravity

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