Question 12

A body of mass 11kg is suspended from a ceiling fan by an aluminum wire of length 2m and diameter 2mm. Calculate the elastic energy stored in the wire [Young's modulus of aluminum is 7.0 x 1010Nm-2, g = 10ms-2, \(\pi\) = 3.142]`

  • A.1.1 x 10-1J
  • B.5.5 x 10-2J
  • C.1.1 x 10-4J
  • D.5.5 x 10-8J
Objective

Question details

Exam body
WAEC
Subject
Physics
Year
2013
Question no.
#12
Type
Objective

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