GCSE Maths (AQA)

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Kinematic Calculations

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Geometry and Measures Mensuration and Calculation

Kinematic Calculations

8:49 Real-World Calculations
Spec N13 R1 G14
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  • Speed is defined as distance divided by time
  • Formula triangle can be used to represent the relationship between speed, distance, and time
  • Acceleration is the rate at which the speed of an object changes
  • Formula triangle can be used to represent the relationship between acceleration, change in speed, and time
  • Units for speed are commonly meters per second
  • Units for acceleration are commonly meters per second squared
  • Formula triangle can be used to solve for any given variable
  • Alternatively, the formula can be rearranged algebraically
  • Example 1: Calculate the speed of a car that travels 150 miles in 3 hours
  • Example 2: Calculate the acceleration of a lorry that increases its speed from 20 m/s to 30 m/s in 10 seconds

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