WAEC - Physics (2003 - No. 8)

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
2.0kgms-1
10.0kgms-1
5.0kgms-1
2.5kgms-1

Explanation

I = Ft = m(v - u) = 5 x 2

= 10kgms-1

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