A man walking briskly in rain …
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A man walking briskly in rain with speed V must slant his umbrella for word making an angle theta with the vertical student derives the following relation between theta and we is to 10 theta is equal to b and check that the relation has a correct limit as we is equal to zero theta is zero as accepted do you think this relation can be correct if not get the correct relation
Posted by Khushi Tripathi 5 years, 3 months ago
- 1 answers
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Gaurav Seth 5 years, 3 months ago
The relation tan
= v is wrong because the dimensions on both the sides of the equation are not equal.
, is a dimensionally correct relation.
Dimension of right hand side is [MoL1T-1]
Dimension of Left hand side quantity is [MoLoTo]
Hence, the equation is wrong.
To make the relation dimensionally correct, R.H.S should be divided by the speed of the rainfall.
That is,
2Thank You