it is denoted by


v = u + at

Final Velocity = Initial Velocity + Acceleration *  Time Taken


v = Final Velocity

u = Initial Velocity

t = time taken

a = acceleration


How is this Equation Derived

We know that formula for acceleration is

a = (v - u)/t

at = v - u

at + u = v

v = u + at



Q 3 Page 110 - A trolley, while going down an inclined plane, has an acceleration of 2 cm s-2. What will be its velocity 3 s after the start?

View Answer


  1. Class 9
  2. Chapter 8 Class 9 - Motion

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CA Maninder Singh
CA Maninder Singh is a Chartered Accountant for the past 9 years and a teacher from the past 16 years. He teaches Spoken English, Written English, Grammar and Vocabulary at Englishtan.