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4 marksLinear Motion

CSEC Physics · May/June 2018 · Paper 2 · Question 5(c)

The object attached to the spring in (b) fell from rest and hit the ground after two seconds. [g = 10 m s^-2]

Calculate the velocity of the object on hitting the ground.

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Other parts of this question

  1. 5(a)(i)State Hooke's law.[3 marks]
  2. 5(a)(ii)With the aid of a labelled, sketched graph, explain what is meant by 'elastic limit'.[3 marks]
  3. 5(b)Calculate the weight of an object which when attached to the unloaded spring produces an extension of 50 mm. The elastic limit is NOT exceeded.[5 marks]

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