0 votes
387 views
in Mathematics Form 4 by

The displacement of a particle t is given by a=40t3-t2-3t+3 find:

  1.  velocity of the particle when t=2

1 Answer

0 votes
by
Differentiate a to get
         V=120t²-2t-3
Then when t=2
         V=120(2)²-2(2)-3
            = 480-4-3
            = 473m/s
Welcome to EasyElimu Questions and Answers, where you can ask questions and receive answers from other members of the community.

6.3k questions

9.6k answers

6 comments

590 users

...