Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
An engine of a train, moving with uniform acceleration, passes the signal-post with velocity u and the last compartment with velocity v. The velocity with which middle point of the train passes the signal post is :
PhysicsMotion In One DimensionJEE MainJEE Main 2021 (25 Feb Shift 1)
Options:
  • A u+v2
  • B v2+u22
  • C v-u2
  • D v2-u22
Solution:
1677 Upvotes Verified Answer
The correct answer is: v2+u22

v'2=u2+2ad

v2=v'2+2ad

solving, we get

v'=v2+u22

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.