A) 10 s
B) 0.5 s
C) 1 s
D) 7 s
Correct Answer: C
Solution :
[c] Here acceleration of bullet with respect to block is zero. Let t is the required time then \[\text{t=}\frac{\text{relative}\,\text{seperation}}{\text{initial}\,\text{relative}\,\text{speed}}\text{=}\frac{\text{100}}{\text{100}}\text{=1s}\] Note: Answer is reasonable as time of flight of bullet & block both are greater then 1s.
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