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Grade 11Mechanics

I need the answer to the 13 the question in the image attached

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Profile image of PRIYANSHU KUMAR
9 Years agoGrade 11
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Profile image of Khimraj
9 Years ago
Vx = dx/dt = 2at and Vy = dy/dt = 2bt then V = √{(Vx)² + (Vy)²} = 2t√(a²+b²). Hope it clears. If u have doubts then please clearify. And if u like my answer then please approve answer