speed equals distance over time
What speed equals distance over time means in Physics GCSE, as defined for AQA.
Definition of speed equals distance over time
Check what you remember
Read the wording for your board, then hide it and explain speed equals distance over time in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Using speed = distance / time with the speed in the correct medium, then halving the calculated distance because the pulse travels to the boundary and back.
Topics that use speed equals distance over time
Related terms
- absorption contrast
- change of speed
- compressions and rarefactions
- detection and exploration
- echo pulses
- echo timing
- halving the path
- how science works
Using speed equals distance over time in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Physics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge