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3 Mechanics

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Question 75

The displacement of a particle from a fixed point O O\,O at time t t\,t seconds is s=(t3−15t2+62t) ms=(t^3-15t^2+62t)\text{ m}s=(t3−15t2+62t) m.

a.

Find the initial velocity of the particle.

[2]
b.

Find the time at which the acceleration is zero.

[3]
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3 Mechanics Questions

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

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