A particle, starting from rest, moves in straight line whose equation of motion is given by :
s=3t 3-2t where (s) is in metres and (t) is in seconds.
Find :
1) velocity after 3 seconds
2) acceleration at the end of 3 seconds
3) average velocity in the 4th seconds

1

Jawapan

2016-10-16T02:25:10+08:00
Speak malay . susah nk jawab .