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Area 1: Our Dynamic Universe

Quick questions on Special relativity: time dilation and length contraction - SQA Higher Physics

3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
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State the second postulate of special relativity. [1 mark]
What is q2?
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A clock on a spacecraft moving at 0.60c0.60c measures a 4.0 s4.0\ \text{s} interval. Calculate the interval measured on Earth. [3 marks]
What is q3?
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State whether a fast-moving object appears longer or shorter to a stationary observer, and in which direction. [1 mark]

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