Solution: Find how (in kph) fast the two cars are separating at 4:00 PM?

A car starting at 12:00 noon travels West at a speed of 30 kph. Another car starting from the same point at 2:00 PM travels North at 45 kph. Find how (in kph) fast the two are separating at 4:00 PM?

Find the rate of the LRT train and the car separating one second later.

Problem Statement: CE Board November 1996

A car starting at 12:00 noon travels West at a speed of 30 kph. Another car starting from the same point at 2:00 PM travels North at 45 kph. Find how (in kph) fast the two are separating at 4:00 PM?

Problem Answer:

The two cars are separating at 51 kph

Solution:

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


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