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Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the conservation of energy principle?
💡 Hint: Think about how energy behaves in a closed system.
Question 2
Easy
Provide an example of kinetic energy.
💡 Hint: Relate to any movement.
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 the conservation of energy state?
- Energy can be created
- Energy can be destroyed
- Energy can be transformed
💡 Hint: Think about the principle of energy in closed systems.
Question 2
True or False: Kinetic energy becomes potential energy when an object is at rest.
- True
- False
💡 Hint: Consider what occurs during motion.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
An object is dropped from a height of 20m. Calculate the speed of the object just before it hits the ground (g = 9.81 m/s²).
💡 Hint: Remember the formula for potential and kinetic energy.
Question 2
In a roller coaster, the height at point A is 30m, at point B is 10m. Calculate the speed at point B assuming no friction.
💡 Hint: Focus on how energy transitions between heights.
Challenge and get performance evaluation