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Two trucks, one traveling west and the other traveling

Two trucks, one traveling west and the other traveling south, are approaching an intersection. If both trucks are traveling at the rate of 2 km/hr, show that they are approaching each other at the rate of 2√2 km/hr when they are each m kilometers from the intersection.

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Two cars are approaching an intersection on roads that are perpendicular to

Two cars are approaching an intersection on roads that are perpendicular to each other. Car A is...... ... mph. Car B is east of the intersection and traveling west at 55 mph. How fast is the distance between the cars changing when car A is 15 miles from the intersection and car B is 8 miles from...

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The angular velocity of a wheel rotating on a horizontal axle points

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