A car is standing 200  m behind a bus, which is also at rest. The two start moving at the same instant…

A car is standing 200 m behind a bus, which is also at rest. The two start moving at the same instant but with different forward accelerations. The bus has acceleration 2 m s-2 and the car has acceleration 4 m s-2 . The car will catch up with the bus after time :
  1. 120 s
  2. 15 s
  3. 110 s
  4. 102 s

Solution



aCB=2 m sec-2  

200=12×2t2

t=102 s

Asked in: JEE Main 2017 (09 Apr Online)

Practice more Motion In One Dimension questions on Aicharya