(EXPLAIN BHI KAR DENA)
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Step-by-step explanation:
mean =sum of all frequencies ×class interval/sum of all frequencies given mean is equal to 27 so mean is 1245+15p/33+p=27 by solving the problem we get p= 1577/9 = 175.5
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Step-by-step explanation:
Work is said to be done when a force applied on the body displaces the body through a certain distance in the direction of force. By resolving force →F into two components : (i) F cosθ in the direction of displacement of the body. (ii) F sinθ in the perpendicular direction of displacement of the body.
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