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Standard IX
Physics
Derivation of Position-Time Relation by Graphical Method
A stone is re...
Question
A stone is released from the top of a tower of height
19.6
m. Calculate its final velocity just before touching the ground.
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Solution
Given : Height of the tower
H
=
19.6
m
Initial velocity of the stone
u
=
0
Acceleration
a
=
g
=
9.8
m
s
−
2
Let the final velocity of the stone be
v
Using,
v
2
−
u
2
=
2
a
H
v
2
−
0
=
2
(
9.8
)
×
19.6
⟹
v
=
19.6
m
s
−
1
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Derivation of Position-Time Relation by Graphical Method
Standard IX Physics
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