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A police van moving on

A speeding car is pulling away from a police car. The police car is moving at 30 m/s. The radar gun in the police car emits an
1. 2 answers
2. asked by Liz
3. 1,478 views
A police car is traveling east at 40.0 m/s along a straight road, overtaking a car ahead of it moving east at 30.0 m/s. The
1. 1 answer
2. asked by Keith
3. 806 views
a car, moving at 100 mi/hr, passes a stationary police car whose siren has a frequency of 500 Hz. what is the frequency change
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2. asked by OMAR
3. 2,845 views
A stationary police car emits a sound of frequency 1200 Hz that bounces off of a car on the highway and returns to the police
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2. asked by Brit
3. 4,264 views
A police officer investigating an accident estimates that a moving car hit a stationary car at 24km/h .If the moving car left
1. 1 answer
2. asked by Anonymous
3. 955 views
A law enforcement officer in an intergalactic “police car” turns on a red flashing light and sees it generate a flash every
1. 1 answer
2. asked by Jen
3. 559 views
A police car is located 60ft to the side of a straight road.A red car is driving in the direction of the police car and is 90 ft
1. 1 answer
2. asked by Peopsh8
3. 1,938 views
Suppose that a police car on the highway is moving to the right at 27 m/s, while a speeder is coming up from almost directly
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2. asked by Anonymous
3. 579 views
Suppose that a police car on the highway is moving to the right at 26 m/s, while a speeder is coming up from almost directly
1. 1 answer
2. asked by linds
3. 779 views
Suppose that a police car on the highway is moving to the right at 20 m/s, while a speeder is coming up from almost directly
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2. asked by Mary
3. 672 views