red and white kop!
Junior Member
- Joined
- Jun 15, 2009
- Messages
- 231
ok this is a kinematics thing.
s(displacement)=93, v(end velocity)=42, t(time)=3/2, find a (acceleration)
so i used s= vt -0.5at^2 and got a= -80/3
however the answer is (+ or -) 80/3, and i dont know why. can someone clarify?
s(displacement)=93, v(end velocity)=42, t(time)=3/2, find a (acceleration)
so i used s= vt -0.5at^2 and got a= -80/3
however the answer is (+ or -) 80/3, and i dont know why. can someone clarify?