P2

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  • Physics P2
    • Velocity
      • Distance time graphs
        • Gradient= speed
        • Flat=stopped
        • Straight up or down hill = steady speed
        • downhill going back toward its starting point
        • curve = speeding up / slowing down
      • Speed (m/s) = Distance (m) / Time (s)
      • Acceleration
        • Acceleration (m/s^2) = Change in velocity (m/s) / time (s)
        • Velocity time graphs
          • Gradient= acceleration
          • Flat=steady speed
          • Curve= increasing or decreasing acceleration
      • Velocity takes into consideration direction whereas speed doesn't
    • Weight, Mass and Gravity
      • Mass is in Kg and Weight is in N becuase it takes into account gravity
      • Gravity on earth is 10 N/kg

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