Question 1037019: Officer Franklin's radar gun stops working in the middle of the day. As a vehicle passes by him, he starts a stopwatch. As the vehicle passes the bridge one-half of a mile away, he records the time as 30 seconds, or 1/120 hours.Explain how he could use this information to determine the speed of the car and its location. Write an equation to represent the situation. Is the car speeding? How do you know?
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! Officer Franklin's radar gun stops working in the middle of the day. As a vehicle passes by him, he starts a stopwatch. As the vehicle passes the bridge one-half of a mile away, he records the time as 30 seconds, or 1/120 hours.Explain how he could use this information to determine the speed of the car and its location.
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He can determine the location by looking at it.
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The car moved 1/2 mile in 1/2 minute --> 1 mile/minute = 60 mi/hr
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Write an equation to represent the situation.
d = r*t
r = d/t
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Is the car speeding?
Depends on the speed limit.
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How do you know?
IDK. You have to know the legal speed limit.
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