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Question

If p=w2g(v2u2) then the value of P when w=40,g=32,u=4,v=12 is

A
80
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B
82
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C
90
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D
78
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Solution

The correct option is A 80
Given equation is: w2g(v2u2)
Also given, w=40,g=32,u=4,v=12
p=402×32(12242)
=4064(14416)
=4064(128)
=40(2)
=80
Option A is correct.

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