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 :
Time taken by the bullet to reach the target \[=\frac{100}{1000}s=0.1s\] \[\therefore \] N the vertical distance travelled by the bullet \[s=ut+\frac{1}{2}g{{t}^{2}}\] \[=0+\frac{1}{2}\times 10\times {{(0.1)}^{2}}\] \[=0.05m\] \[=5cm\] So, the gun should be aimed 5 cm above - target.
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