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[" 28.A block "A" of mass "45kg" is plac...

[" 28.A block "A" of mass "45kg" is placed on another block "B" of that "B" the block "A" just reacher "],[" external agent by "50cm" horizontally towards right.During the sigures.The work done on blose "],[" to the left end of block "B" .Initial and final positions are shown in figures.The work done on blose "],[" to the left end frame is "],[qquad (sqrt((1)/(A)cm))/((B)/(" Initial position "))>F]

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