A) Directly towards the target
B) 5 cm above the target
C) 10 cm above the target
D) 15 cm above the target
Correct Answer: B
Solution :
Bullet will take \[\frac{100}{1000}=0.1\]sec to reach target. During this period vertical distance (downward) travelled by the bullet \[=\frac{1}{2}g{{t}^{2}}\] \[=\frac{1}{2}\times 10\times {{(0.1)}^{2}}m=5\ cm\] So the gun should be aimed 5 cm above the target.
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