A. 0.5 ms−1
B. 1.5 ms−1
C. 1 ms−1
D. 2 ms−1
Correct Answer:
Option C = 1 ms−1
Explanation
Gun Momentum = bullet momentum
MaVa = MbVb
5 x Va = 0.05 x 100
Va = 1m−1
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![A load of mass 120kg is raised vertically through a height of 2m in 30s by a machine whose efficiency is 100%. Calculate the power generated by the machine. [g = 10ms‾²]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "A load of mass 120kg is raised vertically through a height of 2m in 30s by a machine whose efficiency is 100%. Calculate the power generated by the machine. [g = 10ms‾²]")