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A particle has initial velocity (3i+4j) and has acceleration (0.4i + +0.3i). Its speed after 10 s is

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A particle has initial velocity (3i+4j)  and has acceleration (0.4i + +0.3i). Its speed after 10 s is

(a) 7 units

(b) 7√2 units

(c) 8.5 units

(d) 10 units

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1 Answer

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by (76.4k points)

Correct option  (b) 7√2 units

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