10. Find the total displacement of the body from the following graph:
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Answer:
55m
Explanation:
Total displacement = Area of trapezium ABCG + Area of trapezium CDHG + Area of trapezium EDHI
= 1/3 × BF(BC+AG) + 1/2 × GH(CG + DH) + 1/2 × HI(DH + EI)
=1/3 × 2(4+6) + 1/2 × 2(5+10) + 1/2 × 2(5+10)
= 2.5× 10 + 15+15
= 55m
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