Question

A stone is releases from the top of a tower of height 19.6m then its final vrelocity just before touching the ground will be
(a) 384.16m/s
(b) 196m/s
(c) 19.6n/s
(d) kg/m³​

Answer 1

Answer:

384.16

Explanation:

Initial Velocity u=0

Fianl velocity v=?

Height, s=19.6m

By third equation of motion

v  2=u  2+2gs

v  2=0+2×9.8×19.6

v  2=384.16

Answer 2

Answer:

a. is the correct answer

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