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Given figure shows a graph at acceleration → time for a rectilinear motion. Find average acceleration in first 10 seconds.

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Given figure shows a graph at acceleration → time for a rectilinear motion. Find average acceleration in first 10 seconds.

(A) 10ms-2             

(B) 15ms-2 

(C) 75ms-2              

(D) 30ms-2

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1 Answer

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Best answer

Correct option: (C) 75 ms–2

Explanation:

average acceleration = area under curve in 10 sec 

= [(1/2) × 5 × 10] + [5 × 10] 

= 75 m/s2

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