A.3.2 - Kinetic Energy
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Practice Questions
Test your understanding with targeted questions
Calculate the kinetic energy of a 2 kg object moving at a speed of 3 m/s.
💡 Hint: Use Ek = 1/2 mv² to find the answer.
What is the formula for kinetic energy?
💡 Hint: Think about the variables involved!
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the kinetic energy of a 4 kg object moving at 5 m/s?
💡 Hint: Use the kinetic energy formula.
True or False: Kinetic energy is proportional to the square of velocity.
💡 Hint: Think about the velocity term in the kinetic energy formula.
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Challenge Problems
Push your limits with advanced challenges
A cyclist with a mass of 70 kg travels at a speed of 15 m/s. Calculate the kinetic energy and explain what it means in the context of the cyclist's motion.
💡 Hint: Don’t forget to plug in the numbers correctly!
If a moving truck with a mass of 2500 kg collides and comes to a stop from a speed of 25 m/s, calculate the amount of energy dissipated in the crash.
💡 Hint: Find the initial kinetic energy before the truck stops.
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