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

Problem Statement: EE Board April 1997

An LRT train 6 m above the ground crosses a street at 9 m/s at the instant that a car approaching at a speed of 4 m/s is 12 m up the street. Find the rate of the LRT train and the car separating one second later.

• A. 3.64 m/s
• B. 3.94 m/s
• C. 4.24 m/s
• D. 4.46 m/s

Problem Answer:

The rate of the LRT train and the car separating one second later is 3.64 m/s

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