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A thief is noticed by a policeman from a distance of 97 m. The thief starts running and the policeman chases him. The thief and the policeman run at a speed of 21 m/sec and 23 m/sec respectively. What is the time taken by the policeman to catch the thief?
Answer & Solution
Correct Answer:
Option
D
Relative speed = 23 - 21 = 2 m/s
Time taken by the policeman = $$\frac{{97}}{2}$$ = 48.5 sec to catch the thief.
Time taken by the policeman = $$\frac{{97}}{2}$$ = 48.5 sec to catch the thief.
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