# Physics

posted by
**carlton**
.

The vector position of a 3.40 g particle moving in the xy plane varies in time according to the following equation.

At the same time, the vector position of a 5.05 g particle varies according to the following equation.

For each equation, t is in s and r is in cm. Solve the following when t = 2.80

(b) Find the linear momentum of the system.

g-cm/s

g-cm/s

(c) Find the velocity of the center of mass.

cm/s

(e) Find the net force exerted on the two-particle system.

μN

μN