Review
1. What units would you use to describe the speed of a
car? Would you use different u...
Physics, 22.09.2021 08:00 alexar6332
Review
1. What units would you use to describe the speed of a
car? Would you use different units for the speeds of
runners in a neighborhood race? Explain.
2. In a skateboarding marathon, the winner covered 435 km
in 36.75 h. What was the winner's average speed?
3. Think Critically: Make a distance-time graph for a
2-hour car trip. The car covered 50 km in the first
30 minutes, stopped for 30 minutes, and covered 60 km
in the final 60 minutes. Note the three graph segments.
Which graph segment slopes the most? Which one does
not slope? What was the car's average speed?
Answers: 3
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Suppose that recording station n is located 200 km north of the epicenter of an earthquake, and recording station s is located 100 km south of the epicenter of the same earthquake. which of the following statements would be true?
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Two balls, each with a mass of 0.5 kg, collide on a pool table. is the law of conservation of momentum satisfied in the collision? explain why or why not
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