If v = at3 + bt2 + c where ‘v’ is velocity in metre per second, ‘t’ time in second, find
the dimension of a, b and c.
Answers
Answered by
10
Answer:
Correct option is
Correct option isD
[M
0
LT
−3
]
As, v=
t
A
+Bt
2
+Ct
3
So, we can write the dimensional equation as:
dim(v)=dim(Bt
2
)
∴dim(B)=
dim(t
2
)
dim(v)
=
[T
2
]
[LT
−1
]
=[LT
−3
]
⇒dim(B)=[M
0
LT
−3
]
Hence, the correct option is (D)
Explanation:
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