Question
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?Solution
Distance between thief and policeman =97m Speed of thief =21m/s And Speed of Police man=23 m/s Difference of Speed =23-21=2m/s Time taken by the policeman to catch the thief=97/2=48.5Sec.
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