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: Option B

A. 2.0kgms-1

Explanation

I = Ft = m(v – u) = 5 x 2

= 10kgms-1