Question Answers

Sahay Sir > Question Answers > NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 3 - Motion in a Straight Line > Two cars P and Q starts from a point at the same time in a straight line and their positions are represents by xp​(t) = at + bt^2 and xQ​ (t) = ft − t^2. At what time do the cars have the same velocity?

Two cars P and Q starts from a point at the same time in a straight line and their positions are represents by xp​(t) = at + bt^2 and xQ​ (t) = ft − t^2. At what time do the cars have the same velocity?

if she remains stationary on the moving escalator Preeti reached the metro station and found that the escalator was not working. She walked up the stationary escalator in time t1​. On other days then the escalator takes her up in time t2​. The time taken by her walk up on the moving escalator will be: