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Grade 9Mechanics

Pls ans the above question in image in detail . Answer it as soon as possible. This question is from mehanics in which we can draw the vt graph but I don't know how to.

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Profile image of Vanshika kamboj
7 Years agoGrade 9
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1 Answer

Profile image of Eshan
7 Years ago
Dear student,

Change in velocity of an object is the area under the a-t graph.
From t=0 to t=4 seconds, area=+8m/s.
In next two seconds, area=-4m/s

Hence the total change in velocity is +4m/s