JEE Advanced 2021 Full Test 4 Paper 2

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SECTION – C (Numerical Answer Type)
This section contains 06 questions. The answer to each question is a NUMERICAL VALUE. For each question, enter the correct numerical value (in decimal notation, truncated/rounded-off to the SECOND DECIMAL PLACE; e.g. XXXXX. XX).

Question : 14 of 54

Marks: +1, -0

A police car B is chasing a culprit's car A. Car A and B are moving at constant speed V1=108 km∕hr and V2=90km∕hr respectively along a straight line. The police decide to open fire and a policeman starts firing with his machine gun directly aiming at car A. The bullet has a velocity u=305m∕s relative to the gun. The policeman keep firing for an interval of T0=20s. The Culprit experiences that the time gap between the first and the last hitting his car is Δt is

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