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Problem
Problem
A particle is falling freely under gravity. In first
t
t
t
second it covers distance
x
1
x_1
x
1
and in the next
t
t
t
second, it covers distance
x
2
x_2
x
2
, then
t
t
t
is given by a.
x
2
−
x
1
g
\sqrt{\frac{x_2 - x_1}{g}}
g
x
2
−
x
1
b.
x
2
+
x
1
g
\sqrt{\frac{x_2 + x_1}{g}}
g
x
2
+
x
1
c.
2
(
x
2
−
x
1
)
g
\sqrt{\frac{2(x_2 - x_1)}{g}}
g
2
(
x
2
−
x
1
)
d.
2
(
x
2
+
x
1
)
g
\sqrt{\frac{2(x_2 + x_1)}{g}}
g
2
(
x
2
+
x
1
)
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