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Top Websites physics, physics classroom, tutorial, multimedia, animations, practice test, review questions, labs, experiments, projects, problem-solving, interactive exercises, CDs, answers, motion, kinematics, kinematic equations, Newton's laws, F=ma, vectors, projectiles, momentum, collisions, momentum conservation, energy, work, energy conservation, circular motion, planetary motion, satellite motion, gravitation, universal gravitation, circuits, electrostatics, current, electric potential, charging methods, static electricity, electricity, waves, sound, light, color, resonance, polarization, physics of music, standing waves, optics, mirrors, lenses, reflection, refraction, wave behavior, interference 1-15:
1.
roblox.com 
15,882,353

2.
w3schools.com 
507,360

3.
wikihow.com 
504,359

4.
amazon.es 
503,106

5.
amazon.fr 
494,204

6.
laopiniondemurcia.es 
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7.
postcourier.com.pg 
27,300

8.
missoandfriends.com 
26,439

9.
activityvillage.co.uk 
24,422

10.
krazydad.com 
24,314

11.
sudoku.name 
24,042

12.
coolsite.co.il 
23,816

13.
youplay.com 
22,309

14.
mindgames.com 
22,230

15.
kakuroconquest.com 
16,715