Question

a stone is realesed from the top of tower of height 19.6 m calculate its final velocity just befor touching the ground?​

Answer 1

Answer:

Final velocity just before touching the ground = v = 19.6m/s

Explanation:

Given that:

Initial velocity (u) = 0

Tower height = Total distance = 19.6m

g = 9.8 m/s²

Solution:

Let us solve using third equation of motion,

v² = u² + 2gs

v² = 0 + 2 × 9.8 × 19.6

v² = 384.16

v = √(384.16)

v = 19.6m/s