Yesterday your chronometer read 02h 59m 58s...

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Question 1 of 2066636ee928f7522a1c51a78a

Yesterday your chronometer read 02h 59m 58s at the 1500 GMT time tick. Today the chronometer reads 03h 00m 02s at the 1500 GMT time tick. What is the chronometer error?

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66636ee928f7522a1c51a78a

Yesterday your chronometer read 02h 59m 58s at the 1500 GMT time tick. Today the chronometer reads 03h 00m 02s at the 1500 GMT time tick. What is the chronometer error?

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🔍 Key Concepts

• Chronometer error is the difference between chronometer time and GMT (or UTC) at a known instant • How to compare two days of time ticks to see if the chronometer is gaining or losing time • The sign convention: whether a chronometer that is ahead of GMT is called fast (+) or slow (-)

💭 Think About

• First, write down yesterday’s chronometer reading and today’s reading at the 1500 GMT tick. How much did the chronometer reading change in 24 hours? • Compare that change to exactly 24 hours. Is the chronometer gaining time (running fast) or losing time (running slow)? • From that gain or loss in 24 hours, infer what the chronometer’s error must be on the second day, including whether it is fast or slow.

✅ Before You Answer

• Be clear on which is chronometer time and which is GMT: the tick is always at 1500 GMT • Decide if a chronometer that shows a larger time than GMT at the tick is fast (positive error) or slow (negative error) according to your exam convention • Check that your final answer includes both a magnitude (seconds) and, if applicable, an indication of fast/slow or plus/minus sign.

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Question 1 of 2066636ee928f7522a1c51a78a

Yesterday your chronometer read 02h 59m 58s at the 1500 GMT time tick. Today the chronometer reads 03h 00m 02s at the 1500 GMT time tick. What is the chronometer error?

Back

Question 1 of 20

66636ee928f7522a1c51a78a

Yesterday your chronometer read 02h 59m 58s at the 1500 GMT time tick. Today the chronometer reads 03h 00m 02s at the 1500 GMT time tick. What is the chronometer error?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

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