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science

Grade-9

Easy

Question

The total displacement of the body is ____ m.

hint Hint:

240 m

The correct answer is: 240

Total displacement = Area of section A + area of section B + Area of section C
$A r e a space o f space s e c t i o n space A space equals space 1 half cross times 2 space cross times space 30 space A r e a space o f space s e c t i o n space space A space equals space 30 m squared A r e a space o f space s e c t i o n space B space equals space 30 space cross times space 3 space A r e a space o f space s e c t i o n space B space equals space 90 m squared A r e a space o f space s e c t i o n space C space equals space A r e a space o f space t r i a n g l e space plus space a r e a space o f space s q u a r e space A r e a space o f space s e c t i o n space C space equals left parenthesis space 1 half cross times space 3 space cross times space 20 right parenthesis space space plus space left parenthesis 3 cross times 30 right parenthesis space A r e a space o f space s e c t i o n space C space equals space 30 space plus space 90 space A r e a space o f space s e c t i o n space C space equals space 120 m squared D i s p l a c e m e n t space o f space t h e space b o d y space equals space 30 space plus space 90 space plus space 120 space space equals space 240 m squared$

Related Questions to study

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