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A 0.042-kg pet lab mouse sits on a 0.35-kg air-track cart, as shown in FIGURE 9-27. The cart is at rest, as is a second cart with a mass of 0.25 kg. The lab mouse now jumps to the second cart. After the jump, the 0.35-kg cart has a speed of v1 = 0.88 m/s. What is the speed v2 of the mouse and the 0.25-kg cart? |
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