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A ball of mass 5.0kg hits a smooth vertical wall normally with a speed of...

Physics
JAMB 2018

A ball of mass 5.0kg hits a smooth vertical wall normally with a speed of 2ms\(^{-1}\). Determine the magnitude of the resulting impulse

  • A. 20.0kgms\(^{-1}\)
  • B. 10.0kgms\(^{-1}\)
  • C. 5.0kgms\(^{-1}\)
  • D. 2.5kgms\(^{-1}\)
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Correct Answer: Option B
Explanation

Impulse = Change in momentum

  m (v - u)

  5 (2.0)

  = 5 x 2 = 10.0kgm\(^{-1}\)

  = 10.0kgms\(^{-1}\)

There is an explanation video available below.

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Explanation Video

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