The answer is a=-3. just add the -2 and the 3 so that would be a+1=-2 then subtract the 1 from both sides to get the a alone.
Answer:
t=11 sec
Step-by-step explanation:
The position of the particle moving along the x-axis is given by:

The velocity is given by:

If s'(t)>0 then the particle is moving right.


This means that the particle is moving left when

The particle changes direction at time t=1 or t=11
Answer:
90
Step-by-step explanation:
if your talking about degrees it would be 90