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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 76-90:
76.
jn.pt 
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80.
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81.
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82.
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83.
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84.
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85.
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86.
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87.
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88.
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89.
savevideo.me 
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90.
novaskin.me 
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