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Published byMarilyn Smith Modified over 4 years ago

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Velocity-Time Graphs

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The slope of a velocity-time graph represents acceleration. A positive slope – positive acceleration Negative slope – negative acceleration or acceleration in the opposite direction Zero slope – velocity is not changing(constant)

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Constant Velocity Velocity m/s [N] Time (s) There is no slope, therefore, no acceleration

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Describe the Motion Positive Acceleration 0 velocity for 10 s At 10 s started uniform acceleration to 60m/s [N] At 40s maintain constant velocity of 60 m/s [N] Time (s) Velocity m/s [N]

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Describe the Motion Negative Acceleration Moving at a constant velocity of 60m/s [N] for 10 s At 10 s started uniform negative acceleration to 0m/s [N] Velocity m/s [N] Time (s)

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Assignment Pg. 456 # 1-9 For marks Tomorrow!!!!!!

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