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8 March, 14:43

A brick of mass 5 kg is released from rest at a height of 3 m. How fast is it going when it hits the ground? Acceleration due to gravity is g = 9.8 m/s2.

A. 9.9 m/s

B. 8.1 m/s

C. 7.2 m/s

D. 7.7 m/s

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Answers (1)
  1. 8 March, 15:15
    0
    The correct answer is D. 77 m/s
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