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Byju's Answer
Standard XIII
Physics
Dimensional Analysis
If the unit o...
Question
If the unit of force is
4
N
, unit of length is
4
m
and unit of mass is
1
4
kg
in a new system, then the new unit of velocity in
m
/
s
is
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Solution
F
=
M
1
L
1
T
−
2
4
=
1
4
×
4
T
−
2
T
−
2
=
4
⇒
T
=
1
2
sec
Velocity
=
L
T
−
1
=
4
×
(
1
2
)
−
1
=
8
m/s
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