(chatquestion)...A particle moving with constant speed turns left by an angle of 74° after travelling every 1 m distance. If it returns to its startine point after 18 sec, then the magnitude of average acceleration of the particle from it's initial position to just before it takes its second turn is (A) 30 m/sec" (B) 40 m/ sec? (C) 50 m/ sec² (D) 60 m/ sec A truck of width 2m is moving with a uniforn

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