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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the Law of Conservation of Energy?
💡 Hint: Think about the energy you use every day.
Question 2
Easy
Give an example of kinetic energy.
💡 Hint: What do you feel when you run?
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
The Law of Conservation of Energy implies that energy can be:
- Created
- Transformed
- Both Created and Destroyed
💡 Hint: Think about energy in everyday life.
Question 2
True or False: An isolated system can exchange energy with its surroundings.
- True
- False
💡 Hint: Consider the meaning of isolation.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A 2 kg ball is dropped from a height of 10 meters. Calculate its potential energy before it falls and its kinetic energy just before it hits the ground.
💡 Hint: Use the potential energy formula and remember that conservation states it converts to kinetic.
Question 2
In a frictionless environment, a roller coaster car of mass 500 kg starts from rest at a height of 50 m. What will be its speed at the bottom of the track?
💡 Hint: Think about energy conservation when potential becomes kinetic.
Challenge and get performance evaluation