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1 A large star of 10 18 kg and a small star are 10 5 meters apart and attract with 6.7 N. What is the
1 A large star of 1018 kg and a small star are 105 meters apart and attract with 6.7 N. What is the mass of the small star (in kg)?
2.A car travels at 10 m/s for 20 seconds and then at 20 m/s for 30 seconds. What is the average speed (in meter/second) for the trip?
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