Solution: How fast is the distance between car A and car B separating after one hour?

Car A moves due East at 30 kph at the same instant car B is moving S 30° E , with a speed of 60 kph. The distance from A to B is 30 km. Find how fast is the distance between them separating after one hour.

How fast is the distance between car A and car B separating after one hour?

Problem Statement: CE Board May 1997

Car A moves due East at 30 kph at the same instant car B is moving S 30° E , with a speed of 60 kph. The distance from A to B is 30 km. Find how fast is the distance between them separating after one hour.

Problem Answer:

The distance between car A and car B separating at the rate of 45 kph

Solution:

Online Questions and Answers in Differential Calculus (MAXIMA-MINIMA & TIME RATES)


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