Physics, asked by priyam2987, 1 year ago

any one know this answer

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Answered by GovindRavi

1

B - A = ( 20 - 15 ) + - ( 0.5 + 0.5 ) = 5 + - 1.0

A + B =( 20 + 10 ) + - (0.5 + 0.5) = 30 + - 1.0

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