Is the change in the momentum \(\Delta \vec{p}\) zero or nonzero for the following choices of system over the 120-ms time interval in Figure 4.19:

(a) puck in Figure 4.19a,

(b) cart in Figure 4.19b,

(c) cart 1 in Figure 4.19c,

(d) both carts in Figure 4.19c,

(e) cart in Figure 4.19d?

Transcribed Image Text:

Figure 4.19 Velocity-versus-time and acceleration-versus-time graphs for four situations. The shading indicates nonzero acceleration. (a) Puck slows to a halt (b) Cart moves at constant velocity v, (m/s) 0.6 puck 0.4 puck 0.2 0 0 20 20 a. (m/s) 2 -2 interaction 40 40 60 60 x 60 80 100 120 (ms) v, (m/s) 0.6 0.4 +0 cart 22 0.2 0 0 a. (m/s) 3 20 40 40 t(ms) 0 20 40 60 80 80 100 120 cart 0 0 20 20 puck 3 cart X (ms) 60 80 100 120 (ms) OO 40 60 80 100 120 (c) Standard cart collides with cart of unknown inertia (d) Cart moving at constant velocity is given a shove