Kinematics Question 328
Question: A thief it’s running away on a straight road on a jeep moving with a speed of 9 m/s. A police man chases him on a motor cycle moving at a speed of 10 m/s. If the instantaneous separation of jeep from the motor cycle is 100 m, how long will it take for the policemen to catch the thief
Options:
A) 1 second
B) 19 second
C) 90 second
D) 100 second
Correct Answer: D Relative speed of police with respect to thief $ =10-9=1m/s $ Instantaneous separation = 100 m Time = $ \frac{distance}{veclotiy}=\frac{100}{1}=100\sec . $
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