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Unformatted text preview: 6. A car is driven at an average speed of 100 km/h for two hours, then at an average speed of 50 km/ h for the next hour. What was the average speed for the three-hour trip? Summer 2011 1 Problem Set 01 P ROBLEM S ET 1 G ENERAL S CIENCE 121 S UMMER 2011 7. Interpret the following position vs. time graph: Time Position 8. Describe the motion illustrated in the graph below:-15-10-5 5 10 15 Velocity (m/s) 60 50 40 30 20 10 Time (s) 9. Make a position vs. time graph of the following situation: Travel 3 seconds at a constant positive velocity. Then, travel 2 seconds at zero velocity followed by 5 seconds of constant acceleration. 10. Make a velocity vs. time graph of the following situation: First, travel 3 seconds with a constant acceleration. Next, travel 2 seconds with a constant deceleration, followed by 4 seconds of constant positive velocity. Summer 2011 2 Problem Set 01...
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- Summer '08