Guide Questions:
1. At which time interval is the speed zero?
2. At which time interval is the speed increasing? Decreasing?
3. When is the acceleration positive? Negative?
4.When is the acceleration zero?
5. A car is traveling north at a speed of 30 km/h, then turns right at a corner while maintaining its speed. Is there acceleration? Why?
Answers & Comments
Answer:
1.8
2.9
3.7
4.10
5.7.9
Explanation:
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