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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula for kinetic energy?
💡 Hint: Remember, kinetic energy is related to mass and speed.
Question 2
Easy
If a bicycle with a mass of 80 kg is moving at 6 m/s, what is its kinetic energy?
💡 Hint: Use the kinetic energy formula.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does kinetic energy depend on?
- Only mass
- Only speed
- Both mass and speed
💡 Hint: Think about the formula.
Question 2
True or False: A slower object always has less kinetic energy than a faster one.
- True
- False
💡 Hint: Consider the role of mass in kinetic energy.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A racecar has a mass of 800 kg and can reach speeds up to 45 m/s. Calculate its kinetic energy and discuss its significance in a race context.
💡 Hint: Apply the KE formula directly to find the value.
Question 2
Two bicycles have equal mass. One is travelling at 10 m/s and the other at 20 m/s. Compare their energies and explain how this affects their safety.
💡 Hint: Calculate each using the formula and observe the differences.
Challenge and get performance evaluation