A glow worm of mass 5.0 g emits red light (650-nm) with power of 0.10 – InterviewSolution

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1.	A glow worm of mass 5.0 g emits red light (650-nm) with power of 0.10 W entirely in the backward direction. What velocity (v) in m/sec, will it have accelerated to after 10 years, if released in free space (and assumed to live). Report the answer as (v/7).
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