A) 1 second
B) 19 second
C) 90 second
D) 100 second
Correct Answer: D
Solution :
Relative speed of police with respect to thief \[=10-9=1\,m/s\] Instantaneous separation = 100 m Time = \[\frac{\text{distance}}{\text{veclotiy}}=\frac{100}{1}=100\sec .\]You need to login to perform this action.
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