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
Explanation
I = Ft = m(v – u) = 5 x 2
= 10kgms-1