Question

Please solve this question.... Its urgent
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Answer 1

Answer:

by mechanical energy conservation we get:

4 * m * g + 1 by 2 (m * 25) = 1.65 * m * g + 1 by 2 ( m * v^2 )

=> 40 + 25 by 2 = 16.5 + v^2 by 2

=>40 - 4 = v^2 by 2

=> 72 = v^2

=> v = 6 root 2

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