(a) -1.208 m
The position of the particle at time t is given by
where:
Substituting into the equation t=3.70 s, we find the position after 3.70 seconds:
(b) -0.838 m/s
The velocity of the particle at time t is given by:
where
Substituting t = 3.70 s, we find the velocity after 3.70 seconds: