Skip to main content

Back to the full dot-point answer

United StatesPhysics C: MechanicsQuick questions

Unit 1: Kinematics

Quick questions on Reference frames and relative motion - AP Physics C: Mechanics Unit 1

2short 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?
Show answer
A person walks at 1.21.2 m/s toward the back of a bus that moves forward at 9.09.0 m/s. Calculate the person's velocity relative to the ground. [2 points]
What is q2?
Show answer
Explain why a ball dropped inside a train cruising at constant velocity has the same acceleration in the train frame and the ground frame. [2 points]

Have a question we have not covered?

This dot-point answer is short enough that we have not extracted many short questions yet. Read the full dot-point answer or ask Mo, our study assistant, in the chat for follow ups.

All Physics C: MechanicsQ&A pages