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3 Mechanics

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Question 50

The displacement of a particle from O O\,O is s=(2t3−18t2+48t) ms=(2t^3-18t^2+48t)\text{ m}s=(2t3−18t2+48t) m at time t t\,t seconds.

a.

Find the positive times at which the particle is instantaneously at rest.

[3]
b.

Find the total distance travelled during the first 5 seconds.

[5]
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3 Mechanics Questions

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

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