Practice - Summary of Key Equations and Concepts - 3.6
Practice Questions
Test your understanding with targeted questions
What is the formula for average velocity?
💡 Hint: Remember, it's displacement over time.
What does a displacement of zero indicate?
💡 Hint: Think about a round trip!
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for calculating work done?
💡 Hint: Consider the angle between the force and the direction of movement.
True or False: The kinetic energy of an object increases when work is done on it.
💡 Hint: Think about how forces change the motion of objects.
1 more question available
Challenge Problems
Push your limits with advanced challenges
An object with a mass of 3 kg is lifted to a height of 4 m. How much work is done against gravity?
💡 Hint: Use the work formula and remember that mgh represents gravitational potential energy.
A car accelerates from 20 m/s to 50 m/s over a time frame of 5 seconds. Calculate the average acceleration.
💡 Hint: Determine the change in velocity and divide by time.
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Reference links
Supplementary resources to enhance your learning experience.