A. 20.0kgms−¹
B. 10.0kgms−¹
C. 5.0kgms−¹
D. 2.5kgms−¹
Correct Answer:
Option B – 10.0kgms−¹
Explanation
Impulse = Change in momentum
m (v – u)
5 (2.0)
= 5 x 2 = 10.0kgm−¹
= 10.0kgms−¹
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