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A man who weighs 60 kg on earth, weighs 61 kg on a rocket as measured by an observer on the earth. What is the speed of the rocket?

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A man who weighs 60 kg on earth, weighs 61 kg on a rocket as measured by an observer on the earth. What is the speed of the rocket? Answer: 5.5 × 10^7 m/s

Question context

This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.