When people sleep their metabolic rate is about 2.6 10-4 cs, Ask an Expert

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Q1. A student walks 180 meters in 154 seconds. The student stops for 35 seconds and then walks 320 meters farther in 144 seconds. What is the average speed of the entire walk?

Q2. A man weighing 620 and a woman weighing 520 have the same momentum. What is the ratio of the man's kinetic energy to that of woman?

Q3. When people sleep, their metabolic rate is about 2.6 10-4 C/(s • kg). How many Calories does an 83 kg person metabolize though getting a good night's sleep of 9.0 hours?

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