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A stone is dropped from the edge of a cliff and reaches the ground after
PHYSICS · Single correct · CBSE · Physics · Gravitation · Gravitation
Problem
A stone is dropped from the edge of a cliff and reaches the ground after
3
s
3\,\text{s}
3
s
. Neglecting air resistance and taking
g
=
9.8
m s
−
2
g = 9.8\,\text{m s}^{-2}
g
=
9.8
m s
−
2
, find the height of the cliff. (a)
29.4
m
29.4\,\text{m}
29.4
m
(b)
44.1
m
44.1\,\text{m}
44.1
m
(c)
45
m
45\,\text{m}
45
m
(d)
88.2
m
88.2\,\text{m}
88.2
m
Related theory
Free-Fall & Vertical Motion
Gravitation
Acceleration
Motion in a straight line
Kinematic equations
Free fall
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