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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