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The vector position of a 3.00 g particle moving in the xy plane varies in time a

ID: 2139153 • Letter: T

Question

The vector position of a 3.00 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 = 2.00
(a) Find the vector position of the center of mass.
cm
cm

(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
cm/s

(d) Find the acceleration of the center of mass.
cm/s2
cm/s2

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

Explanation / Answer

where are the equations ?