L3f",null,{"backHref":"/gcse/physics/edexcel/questions","basePath":"/gcse/physics/edexcel/speed-velocity-and-acceleration/questions","formulaUrl":null,"initialIndex":40,"initialQuestionWindow":[{"id":"49582799-7600-4856-93d3-34ac806ca174","revisionId":"918ba59b-7638-451e-bfdd-5ad10eb5e53c","questionNumber":null,"questionType":"LA","specification":"","difficulty":2,"difficultyBand":"easy","totalMarks":2,"sourceTitle":null,"calculatorUse":null,"parts":[{"id":"cd0f890a-cec0-4907-a2c5-7cae47a1f15a","label":null,"content":"A cyclist accelerates down a straight hill.\n\nThe cyclist accelerates at $1.5 \\text{ m/s}^2$ for a time of $8 \\text{ s}$.\n\nCalculate the change in velocity of the cyclist.\n\nUse the equation:\n\n$$\\text{change in velocity} = \\text{acceleration} \\times \\text{time taken}$$","markscheme":"- Substitutes the given values into the equation: $1.5 \\times 8$ M1\n- Calculates the change in velocity to obtain $12 \\text{ m/s}$ A1","marks":2,"order":0,"markingRubric":null,"explanation":{"methods":[{"id":"acceleration_equation","label":"Use the acceleration equation","steps":[{"type":"text","order":0,"title":"Choose the quantities","content":"Use the values given: acceleration is $1.5\\ \\text{m/s}^2$ and time taken is $8\\ \\text{s}$. The question asks for the **change in velocity**, so use the equation provided.","highlights":[{"text":"The cyclist accelerates at $1.5 \\text{ m/s}^2$ for a time of $8 \\text{ s}$.","location":"specification"},{"text":"Calculate the change in velocity of the cyclist.","location":"specification"}]},{"type":"hyper_latex","block":{"nodes":[{"latex":"\\Delta v = a \\times t"},{"latex":"\\Delta v = \\htmlData{anchor=substitution}{1.5\\,\\mathrm{m\\,s^{-2}}} \\times \\htmlData{anchor=time}{8\\,\\mathrm{s}}"}],"highlights":[{"color":"sky","style":"underline","anchor":"substitution"},{"color":"green","style":"underline","anchor":"time"}]},"order":1,"title":"Substitute the values","description":"Insert the acceleration and time into the given equation. This substitution earns the M1 mark, even if the multiplication is later incorrect."},{"type":"hyper_latex","block":{"nodes":[{"latex":"\\Delta v = \\htmlData{anchor=product}{1.5\\ \\mathrm{m/s^2} \\times 8\\ \\mathrm{s}}"},{"latex":"\\Delta v = \\htmlData{anchor=answer}{12\\ \\mathrm{m/s}}"}],"highlights":[{"color":"orange","style":"box","anchor":"answer"}],"connections":[{"to":"answer","from":"product","color":"orange","label":"multiply"}]},"order":2,"title":"Calculate the answer","description":"Multiply the substituted values and give the unit for change in velocity. This earns the A1 mark."}]}],"generatedAt":"2026-07-22T11:26:55.649Z","modelVersion":"gpt-5.6-terra+diagrams-1","explanationVersion":"v3"},"options":[]}],"options":[],"explanation":null,"firstAttemptFullMarks":null},{"id":"4b3018e4-c585-4889-aabb-7cc722a80b5a","revisionId":"2cc2f359-ca02-44a1-8e6b-30d8599cb19e","questionNumber":null,"questionType":"LA","specification":"A student carries out an experiment to investigate how the angle of a ramp affects the acceleration of a toy car sliding down it.","difficulty":3,"difficultyBand":"easy","totalMarks":2,"sourceTitle":null,"calculatorUse":null,"parts":[{"id":"c28955a9-6c2a-4b74-a252-67b637d1057e","label":null,"content":"Give **two** ways that the student can improve the quality of their data other than ignoring anomalous results.","markscheme":"- Suggests using automated timing equipment (such as light gates, a motion sensor, or video analysis) to reduce or eliminate random error due to human reaction time B1\n- Suggests repeating the experiment at least three times at each angle and calculating a mean (after identifying and discarding anomalies) B1\n- Suggests using a release mechanism (such as a trapdoor or electromagnet) to ensure the car starts from rest in a consistent manner each time B1\n- Suggests securing or clamping the ramp to prevent it from flexing or moving during runs B1","marks":2,"order":0,"markingRubric":null,"explanati

Speed, velocity and acceleration

Question 28

Speed, velocity and acceleration Questions

Speed, velocity and acceleration

Question 28

Speed, velocity and acceleration Questions