Physics, asked by 2015050836, 7 hours ago

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 nk7790582
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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