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Question 15

An object of mass 0.25kg moves at a height h above the ground with a speed of 4ms-1, if its mechanical energy at this height is 12 J, determine the value of h. [g = 10ms-1]

  • A.0.8m
  • B.4.0m
  • C.4.8m
  • D.5.6m
Objective

Question details

Exam body
WAEC
Subject
Physics
Year
2008
Question no.
#15
Type
Objective
Previous · Q14Which of the following devices convert heat energy to electrical energy? Next · Q16 Which of the following equations for the efficiency of a machine is correct?

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