🚀 Space Math Explorers

TEACHER-GUIDE-VERIFIED · TG-V9-025

6. A disturbance covers 150 million km in 42 hours. Find its average speed in km/s.

Verified solution

Solution: 42 h=151,200 s. r=150,000,000/151,200, about 992.1 km/s.

Source: Teacher Guide V9 · English V9. Match the numbers and wording in your printed question before using this solution.

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VIDEO HELP · TG-V9-025

Average Speed in km/s | Convert 42 Hours to Seconds (TG-V9-025)

Convert 42 hours to 151,200 seconds, then divide 150 million kilometers by the time to find an average speed of approximately 992.1 km/s. Check the result against 1,000 km/s.

Space Math Explorers · approved worked example · 1:57 · Watch on YouTube

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These pages reproduce verified solution steps for the registered V9 questions. It does not diagnose learning needs or replace instruction from a qualified teacher or tutor.