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1.5.1a Forces, resultant force and motion

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Question 12

A 0.25 kg mass is suspended from a vertical spring. The mass is pulled downwards until the spring has extended by 20 cm from its unstretched length. The spring constant of the spring is 40 N m-1. What is the magnitude of the initial acceleration of the mass when it is released?

A

12 m s−212\text{ m s}^{-2}12 m s−2

B

22 m s−222\text{ m s}^{-2}22 m s−2

C

32 m s−232\text{ m s}^{-2}32 m s−2

D

42 m s−242\text{ m s}^{-2}42 m s−2

Markscheme

1.5.1a Forces, resultant force and motion Questions

  1. IGCSE
  2. /Physics
  3. /1.5.1a Forces, resultant force and motion

183 exam-style questions on CIE IGCSE Physics 1.5.1a Forces, resultant force and motion. Each one has a worked solution and a mark scheme showing where the marks go.

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