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Mathematics
Mathematics
Problem
A particle is moving in a straight line. The variation of position
x
x
x
as a function of time
t
t
t
is given as
x
=
(
t
3
−
6
t
2
+
20
t
+
15
)
m
x = (t^3 - 6t^2 + 20t + 15)\,m
x
=
(
t
3
−
6
t
2
+
20
t
+
15
)
m
. The velocity of the body when its acceleration becomes zero is:
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