Physics, asked by hp172853, 9 months ago

1. Cheech
aking
the dimensional
Correctness of the relations ?
(i) u migh.
lij Kobra
quis Fama
(iv) v 2 u²+ 2as​

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11th

Physics

Units and Measurement

Dimensions and Dimensional Analysis

Check the accuracy of relat...

PHYSICS

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Asked on December 27, 2019 by

Kabita Kadakia

Check the accuracy of relation v

2

−u

2

=2as, where v and u are final and initial velocities, a is the acceleration, and s is the distance.

medium

MEDIUM

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ANSWER

We have v

2

−u

2

=2as.

Checking the dimensions on both sides, we get

LHS=[LT

−1

]

2

−[LT

−1

]

2

=[L

2

T

−2

]−[L

2

T

−2

]=[L

2

T

−2

]

RHS=[L

1

T

−2

][L]=[L

2

T

2

]

Comparing LHS and RHS, we find LHS = RHS.

Hence, the formula is dimensionally correct.

I hope you are understand my solution

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