A ball f mass 5 0kg hits a smooth vertical wall... - WAEC Physics 2003 Question
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 option: b
I = Ft = m(v - u) = 5 x 2
= 10kgms-1
= 10kgms-1
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