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A car ‘A’ leaves city X at t=0sec and moves with a constant velocity of 40km/hr due west. Another car ‘B’, leaves city Y which is 30km south-west of X and moves with 20* (2^(1/2)) km/hr towards north-west. Then: Minimun separation during the journey will be 20km Minimum separation will be at t = 1/(2*(square root of 2))hour They strike each other at t = 3/(2*(square root of 2) hours None of these

A car ‘A’ leaves city X at t=0sec and moves with a constant velocity of 40km/hr due west. Another car ‘B’, leaves city Y which is 30km south-west of X and moves with 20* (2^(1/2)) km/hr towards north-west. Then:
  1. Minimun separation during the journey will be 20km
  2. Minimum separation will be at t = 1/(2*(square root of 2))hour
  3. They strike each other at t = 3/(2*(square root of 2) hours
  4. None of these

Grade:11

2 Answers

Eshan
askIITians Faculty 2095 Points
5 years ago
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Aman
15 Points
3 years ago
A car ‘A’ leaves city X at t=0sec and moves with a constant velocity of 40km/hr due west. Another car ‘B’, leaves city Y which is 30km south-west of X and moves with 20* (2^(1/2)) km/hr towards north-west. Then: Minimun separation during the journey will be 20km Minimum separation will be at t = 1/(2*(square root of 2))hour They strike each other at t = 3/(2*(square root of 2) hours None of these

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