An aeroplane is 528 ft directly above an automobile and starts east at the rate of 20 miles an hour at the same instant the auto
mobile starts east at the rate of 40 miles an hour. How fast are they separating
1 answer:
Answer: 20 mph
Step-by-step explanation:
Given
The airplane is at a height of 528 ft with a rate of 20 mph
The automobile is also directing east at the rate of 40 mph
at this instant, they are separating by the relative velocity between them

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