Final answer:
Without the value for the constant velocity, we cannot accurately determine the particle's position at t = 3.0 s using the equation x(t) = x_0 + vt. The particle's position remains undetermined with the given information.
Step-by-step explanation:
To determine the particle's position at t = 3.0 s when it moves with a constant velocity, we need to use the kinematic equation for motion at constant velocity:
x(t) = x_0 + vt
Where x(t) is the position at time t, x_0 is the initial position, and v is the constant velocity.
Since the problem statement does not provide a velocity, but the movement is at a constant pace, we can deduce the velocity from any given position and time other than the initial conditions, if available. However, in this scenario, since only the initial position (x_0 = 2 m) and a time (t = 3.0 s) are provided with no additional information on the velocity, we cannot calculate the precise position at t = 3.0 s without knowing the constant velocity value.
In cases where the velocity is given, the formula simplifies to:
x(t) = 2 m + (constant velocity) * 3.0 s
Therefore, to answer the question accurately, the constant velocity needs to be provided or known from previous parts of the question. With the given information, the position at t = 3.0 s remains undetermined.