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Acceleration in 2D

A body, start...

Question

A body, starting from rest, attains a velocity of (2i+4j) m/s in 2 s. Its average acceleration is

A

(i + 2j) m/s/s

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B

(2i + 4j) m/s/s

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C

(2i + j) m/s/s

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D

(4i + 2j) m/s/s

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Solution

The correct option is A (i + 2j) m/s/s

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