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An object initially traveling at 20 Meters per second west accelerates uniformly at 4.0 meters per second squared east for 2.0 seconds The displacement of the object during these 2.0 seconds is

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adioabiola

The displacement of the object during these 2.0seconds is; 32 meters west

According to the question;

  • Initial velocity, u = 20m/s

  • Acceleration, a = 4m/s²

  • Time, t = 2s

  • Displacement, S = ?

However, since the acceleration of the object is in the opposite direction; the equation of motion that can be used to find the Displacement is;

  • S = ut - at²/2

By substituting values as given in the question; we have;

  • S = (20 × 2) - (4 × 2²)/2

  • S = 40 - 8

S = 32m west

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