1 A police car is at rest and is located 8. mile due west of a street intersection. Another car is located mile 4. north of the intersection and is traveling at a speed of 40 miles per hour (mph) due south toward the intersection. At that instant, the radar in the police car records the rate at which the distance between the two cars is changing. What speed is recorded by the radar?

Q: Two cars start moving from the same point. One travels south at 48 mi/h and the other travels west…

A: Given  Speed of first car =48 mi/h towards south Speed of second car =20 mi/h towards west

Q: Two cars start moving from the same point. One travels south at 48 mi/h and the other travels west…

A:

Q: A wolf and a bear leave from the same point at the same time. The wolf goes east at 12 feet per…

A: Given: Speed of wolf=12feet/sec Speed of bear=5feet/sec

Q: At noon, ship A is 140 km west of ship B. Ship A is sailing east at 25 km/h and ship B is sailing…

A:

Q: If Ahmet travels half of the road at 90 km/h in 1 hour and the remaining half at 60 km/h, his…

A:

Q: At noon, ship A is 170 km west of ship B. Ship A is sailing east at 40 km/h and ship B is sailing…

A: In this question we have to find how fast is the distance between the ships is changing at 4:00 PM.

Q: At noon, a car starts moving east from town A at a constant speed of 60 miles an hour. Town B is…

A: Given data is : The speed of car A is 60 miles/h Let the speed of car B is x miles/h Time is 3 hour

Q: If you walk at 1 km/h down the aisle toward the front of a train that is moving at 60 km/h, what is…

A: We have,  you are moving at 1 km/h down the aisle toward the front of a train. and train is moving…