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
Correct Answer: B. 10.0kgms-1
Explanation
I = Ft = m(v - u) = 5 x 2 = 10kgms-1
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