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s. What is the truck's speed, relative to the ground?

s. What is the truck's speed, relative to the ground?

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Question 19 of 20 A police officer is driving due north at a constant speed of 25 m/s relative to the ground when she notices a truck on an east-west highway ahead of her, traveling west at high speed. She finds that the truck's speed relative to her car is 54 m/s (about 120 mph). On a sheet of paper, sketch the vector triangle that shows how the truck's velocity relative to the ground is related to the police car's velocity relative to the ground and to the truck's velocity relative to the police car. The sketch need not be to scale, but the velocity vectors should be oriented correctly and bear the appropriate labels. What is the truck's speed, relative to the ground? Number i Units UNITS CHOICES: no units, degrees, s, kg, m, m/s, m/s^2, N, days 19
Transcribed Image Text:Question 19 of 20 A police officer is driving due north at a constant speed of 25 m/s relative to the ground when she notices a truck on an east-west highway ahead of her, traveling west at high speed. She finds that the truck's speed relative to her car is 54 m/s (about 120 mph). On a sheet of paper, sketch the vector triangle that shows how the truck's velocity relative to the ground is related to the police car's velocity relative to the ground and to the truck's velocity relative to the police car. The sketch need not be to scale, but the velocity vectors should be oriented correctly and bear the appropriate labels. What is the truck's speed, relative to the ground? Number i Units UNITS CHOICES: no units, degrees, s, kg, m, m/s, m/s^2, N, days 19
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