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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
Define linear momentum.
💡 Hint: Think about how mass and speed combine to describe motion.
Question 2
Easy
What is the center of mass?
💡 Hint: Consider where a system balances if it were to be supported.
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 is linear momentum defined as?
- mv
- mv^2
- m/v
- m+v
💡 Hint: It describes how much motion an object has.
Question 2
True or False: If no external forces act on a system, the total momentum will change.
- True
- False
💡 Hint: Consider how momentum behaves in isolated systems.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A 4 kg cart moving at 5 m/s collides with a stationary 2 kg cart. If they stick together after the collision, what will be their final velocity?
💡 Hint: Use the conservation of momentum principle.
Question 2
Two ice skaters push off from each other. Skater A has a mass of 50 kg and moves at 1.5 m/s away from Skater B, who has a mass of 70 kg. Determine the speed of Skater B after the push.
💡 Hint: Remember to consider the direction of their velocities.
Challenge and get performance evaluation