LIVE Course for free

Rated by 1 million+ students
Get app now
0 votes
in Physics by (76.0k points)
closed by
if `a=3t^(2)+2t`, initial velocity is `5 m//s`. Find the velocity at t=4s. The motion is in straight line, a is acceleration in `m//s^(2)` and t is time in seconds.

1 Answer

0 votes
by (76.3k points)
selected by
Best answer
`int_(5)^(v) dv=int_(0)^(4)(3t^(2)+2t)dt`
`v=85 m//s`

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.