2023, Question 3 · Quantitative/Qualitative Translation · 12 points · about 25 minutes
Block on a spring whirled in a circle
Compare the spring force at two stretches, decide which speed is larger, derive the block's speed from the spring force acting as the centripetal force, and check the equation against the earlier reasoning.
This exam had five free-response questions in 90 minutes, worth 7 or 12 points each. The current exam has 4 free-response questions in 95 minutes. The skills these questions practice still count.
Lessons this question draws on
1 Read the question
The question is College Board's, from the 2023 exam. It starts on page 10 of the PDF.
Open Question 3 (PDF, page 10)
2 Write your answer
Answer each part the way you would on the exam, in full sentences, with your work shown. Your writing saves as you type.
3 Score it
Score your answer against College Board's scoring guidelines, one point at a time. Give yourself a point only when your answer says what the guideline asks for.
Scoring guidelines (PDF, page 11) What the exam readers saw (Chief Reader report)
Question, scoring guidelines and Chief Reader report: College Board. The title and summary are ours.