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

Physics
WAEC 2003
A ball f mass 5.0kg hits a smooth vertical wall normally with a speed of 2ms-1. Determine the magnitude of the resulting impulse
  • A. 2.0kgms-1
  • B. 10.0kgms-1
  • C. 5.0kgms-1
  • D. 2.5kgms-1
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Correct Answer: Option B
Explanation
I = Ft = m(v - u) = 5 x 2

= 10kgms-1
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts