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3 Mechanics

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Question 90

The displacement of a particle is s=5t+2t2−13t3s=5t+2t^2-\dfrac13t^3s=5t+2t2−31​t3 metres at time t t\,t seconds.

a.

Find an expression for the velocity.

[2]
b.

Find an expression for the acceleration.

[1]
c.

Find the acceleration when t=3t=3t=3.

[1]
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3 Mechanics Questions

  1. A Level
  2. /Maths
  3. /3 Mechanics

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