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1) Two people, George who has a mass of 85.0 kg and Victoria who has a mass of 62.0 kg, are on a frozen circular pond. They stand at the very centre and push off of each other. The distance from one side of the pond to the other is 83.0 m and it takes George 11.0 s to reach the edge of the pond. How long does it take Victoria to reach the edge of the pond?

2) A 915 kg red car is travelling to the east at a speed of 42.9 m/s and a 1.99×103 kg blue car is travelling 29.0° south of west at a speed of 17.7 m/s. They collide and then continue to move while attached to each other. What is the speed of the two cars together?

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